Question

WILL GIVE MEDAL IF YOU HELP
Which choice describes a question that could be answered by moving the decimal point 3 places to the right?

A.
multiplying 31.04 by 100

B.
multiplying 31.04 by 1,000

C.
dividing 31.04 by 102

D.
dividing 31.04 by 103

Answer 1

I think it is A. but i am not sure

Answer 2

multiplying/dividing by 10^2 think 2 spots
for example 4*10^2=400
or 4/10^2=.04

multiplying/dividing by 10^3 think 3 spots
for example 4*10^3=4000
or 4/10^3=.004


So multiplying/dividing by 10^n think n spots

Answer 3

by the way you do know 10^3=1000 and 10^2=100 right?

Answer 4

and 10^4=10000
and 10^5=100000
and so on

Answer 5

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