decimal numbers的翻译

did you know?in the decimal number system(base 10
) ten different digits,0 to 9,are used to write all the numbers.in the binary number system(base 2) two different digits are used,i.o.and 1.
which one of the following numbers is not a valid number in the octal number system(base 8)?
a 128 b 127 c 126 d 125 e 124

题干求翻译
1、find, correct to 2 decimal places什么意思?题目a(3.42x10五次方)X(4.8X10四次方)比如这道题做出来应该怎么样?
2、State the relationship between the moment caused by child A and that caused by
child B.是杠杆题.A和B两个小孩分别坐在支点两侧.只知道A18kg,B20kg杠杆力臂的长度什么都不知道.它想让我答什么?

Liu Hui is the earliest person to bring forward the decimal fraction in the world.

Which of the following numbers if expressed in decimal form,would have a 2 in the thousands place
1/7.22/7.64/7 None ,为什么

decimal在数学中的意思
一般是做为小数还是什么?比如有一题：4% as a decimal .这意思是不是化成小数?
顺便问下significant figures在数学中表示什么

英语翻译
Estimate and find each square root to 2 decimal places using a ...主要是这里的2 decimal places是小数点后两位数还是一位数 [别在网上一个单词一个单词翻译然后敷衍回答啊!]=)要有能力的^^

问道GRE数学题,看不懂.
d=5.03894 and D is the decimal expression for d rounded to the nearest thousandth.
The number of decimal places where d and D differ=?

1)d=5.03894 and A is the decimal expression for d rounded to the nearest thousandth.question:the number of decimal places where d and A differ
2)to reproduce an old photograph,a photographer charges x dollars to make a negative,3x/5dollars for each of the first 10 prints,and x/5 dollars for each print in excess of 10 prints,if 45dollars is the total charge to make a negative and 20 prints from an old photograph,what is the value of
A3
B3.5
C4
D4.5
E5

What is the units digit in the standard decimal expansion of the number 7^25?
(A)1(B)3(C)5(D)7(E)9

cast函数
cast(成人标准 as decimal(20,2)) 麻烦能帮我解释一下后面的那个decimal(20,另外加入用convert函数来转换这个字段的话该怎么转换呢?

没读明白
use the fact that every real number has a decimal expansion to produce a 1-1 function that maps S into (0,1)

英文中的表示数字的前缀
dec-：December~12月；decimal~十进制
oct-：October~十月；octagon~八边形
quad-：quad-core~四核；quadratic~二次的
为何相同的前缀能够表示两个相差2的数字呢?

GMAT数学求救,
what is the digit to the right of the decimal point in the decimal form of 6/11

英语翻译
what is the tenths digit in the decimal representation of a certain number?
(1)the number is less than 1/3
(2)the number is greater than 1/4

英语翻译
What is the hundredths digit of the decimal z
(1) The tenths digit of 100z is 2.
(2) The units digit of 1,000z is 2.

英语翻译
We do not know who invented the decimal point,but we know that in 1582 a man called Simon Stevin wrote a book about decimal ponit.The book was called The Tenth.Before we koew about the decimal point,we had to use fractions like 1/2 or 3/4 when we talked about numbers smaller than 1.

Number of digits to the right of the decimal point.
麻烦帮忙翻译下这句话,.是在一本编程书里面的哈

关于有效数字的数学题（英文版）
how many digits after the decimal point should be reported in the answers to the following arithmetic operations?
26-9.235

GMAT
which of the following fractions has a decimal equivalent that is a terminating decimal?
a.10/189 b.15/196 c.16/225 d.25/144 e.39/128
时间来不及的!

问道sat数学~
In the decimal represention of 1k,where 0< 1k < 1 .the tenths digit is 1,the hundredths digit is 3,and at least one other digit is nonzero.what is the tenths digit in the decimal representation of k-1k?
这题怎么算?

初一“希望杯”奥数题.
Given a decimal formula 1/a-1/b=1/988,and a b are both three - digit intengers.Find all the possible values for a and b.

ds18b20负温度显示问题
void wendu_decimal(uint dat) //温度转换后送显示
{
float temp;
if(temp=dat*0.625)
{
wendu_shi=temp/100; //取十位 temp除不用定义类型
wendu_ge =((uint)temp)%100/10; //取个位 temp求模要定义类型,为16位,故定义uint
wendu_shu=((uint)temp)%100%10; //取小数
wendu_fu=0;
}
else //负温度时
{
temp=(~temp+1)*0.0625*10;
wendu_shi=temp/100; //取十位 temp除不用定义类型
wendu_ge =((uint)temp)%100/10; //取个位 temp求模要定义类型,为16位,故定义uint
wendu_shu=((uint)temp)%100%10; //取小数
wendu_fu=-3;
}
lcd_write_com(0x80+0x40+10); //送显示
lcd_write_date(0x30+wendu_fu);
lcd_write_date(0x30+wendu_shi);
lcd_write_date(0x30+wendu_ge);
lcd_write_date(0x2e);
lcd_write_date(0x30+wendu_shu);
lcd_write_date(0xdf); //温度符号
lcd_write_date(0x43);
}
这样一段程序其实负温度我不会编写,请大家帮忙改一下让能正确显示负温度,好像就差了temp定义的一句话,
还有在正温度的时候,最前端显示的不是0,而是什么都不显示,到负温度的时候才显示-号

In the decimal representation of x,where 0 < x < 1,is the tenths digit of x nonzero?
(1) 16x is an integer.
(2) 8x is an integer.
A.Statement (1) ALONE is sufficient,but statement (2) alone is not sufficient.
B.Statement (2) ALONE is sufficient,but statement (1) alone is not sufficient.
C.BOTH statements TOGETHER are sufficient,but NEITHER statement ALONE is sufficient.
D.EACH statement ALONE is sufficient.
E.Statements (1) and (2) TOGETHER are NOT sufficient.

英语翻译
1、Did you know?In the decimal number system (base 10) ten different digits,0 to 9,are used to write all the numbers.In the binary number system (base 2) two different digits are used,i.e.0 and 1.
Which one of the following numbers is not a valid number in the
octal number system (base 8)?
A) 128 B) 127 C) 126 D) 125 E) 124
3、The number of diagonals that can be drawn in a regular polygon with
twenty sides (icosagon) is_____.
4、If a and b are integers,10?3=1,152?7=3,and then 379?6 is equal to_____.
5、Two numbers are in the ratio 2 :3.When 4 is added to each number the ratio changes to 5 :7.
The sum of the two original numbers is____.
6、The greatest number of Mondays which can occur in 45 consecutive
days is____
7、Saul plays a video game in which he scores 4 for a hit and lost 6 for a miss.After 20 rounds his score is 30.The number of times he has missed is____.
8、Three girls A,B and C run in a 100 m race.When A finishes,B is 10 m
behind A and when B finishes C is 20 m behind B.How far in metres was
C from A when A finished?
(Let’s assume all the athletes run at a constant speed)
9、The areas of the faces of a rectangulabox are 84 cm2 ,70 cm2and 30 cm2.The volume of the box in cm3 is____.
10、You have 3 weights:1 kg,3 kg and 9 kg as well as an equal arm balance,as shown.How many different weight objects can you weigh with these three?
[Remember the weights may be placed on either side]

c# double x=3.14;decimal y=3.14,第二个不正确,decimal是高精度
疑问：floatdoubledecimal分别是在什么时候用?float是指精确7位,double是指精确15-16位,decimal是指精确到28位,他们都是分别在什么时候用?

急啊!sat 数学题求解
if the decimal representation of 1/k,where 0大于1/k小于1,the tenths digit is 1,the hundredths digit is 3, and at least one other digit is nonzero.What is the tenths digit in the decimal representation of k-1/k?
为什么答案是8?

翻译试试
1, binary, octal, hexadecimal number to the decimal number
There is a formula: binary, octal, hexadecimal number that figures were well-behaved to their respective base of (N-1) - th power, and that is, and the sum of the corresponding decimal number. A single, N = 1; 10, N = 2 ...
2, a few decimal to binary, octal, hexadecimal number
Method is the same, that is, apart from the base with integral part of the algorithm take over, the value to use x-rounded approach, and then stitching integral part of the minority as a conversion into a few of the final outcome.

英语翻译
Notice that adding a decimal point makes a value a floating-pointvalue.
这是个什么句子,主谓宾定状补