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How do you express 480 in exponential notation only using one significant figure?
We need to first move the decimal two (2) places to the left: 480 = 4.80 x 102 The 2 in 102 comes from how many places we moved the decimal. It's positive because the number it represents is larger (480 > 4.8) With one significant figure, we need to round to the nearest whole number: 5 x 102 The answer is 5 x 102
What does 0010 equals to and why?
It is equal to ten because we normally use the decimal system for counting. This means that the right most digit is the number of units, the one to the left of it is the number of tens, the one to the left of that is the number of hundreds (102) and so on. So the given number is 0*103 + 0*102 + 1*101 + 0 = 0 + 0 + 10 + 0 = 10
What is one sixth of 102?
1/6 x 102 = 17
What is one third as many as 102?
102*(1/3) = 34
How many whole number between 100 and 400 are divisible by 3 but not divisible by 6?
The first whole number divisible by 3 is 102 and the last one 399. Let n be the number of whole numbers between 102 and 399 102 + (n - 1)x3 = 399 (this is an arithmetic progression) Solving n, n-1 = (399 - 102)/3 = 99 n = 100 Since even whole numbers among these 100 will be divisible by 6, the number not divisible is half of 100, i.e. 50. regards, lpokbeng
