How many zeroes are in the simplified expression 4 times 10x

asked Nov 11, 2018 57.7k views

4 votes

by Mdexp

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3 votes

let's try some numbers
4*10ˣ

4*10^1

=40, 1 zero

4*10^2

=400, 2 zeroes

4*10^3

=4000, 3 zeroes

hmm

4*10^x

=x zeroes

answer is A, x zeroes

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6 votes

There only one zero in the simplified expression four times 10x

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