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yanalaym [24]
3 years ago
11

HELPPP PLEASE ASAP!!! I don’t know how to solve this problem nor where to start? Can some please help me out and explain how you

got the answer please. Thank you for your time.

Mathematics
1 answer:
nasty-shy [4]3 years ago
5 0

Step-by-step explanation:

Count the number of times you have to move the decimal point to the right until it is to the right of the 1st nonzero number.

a) You have to move the decimal point 11 times until it gets to the right of the 1st nonzero number, which is 7. You then rewrite this number as

7.2×10^{-11}

The exponent of 10 is a negative number because you moved the decimal point to the right.

b) Similarly, you have to move the point 9 times to the right so the answer is

9.5×10^{-9}

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