When expanded, the number of zeros in $1000^{10}$ is
(A) 13
(B) 30
(C) 4
(D) 10
(E) 1000

## Grade 8
When expanded, the number of zeros in $1000^{10}$ is
(A) 13
(B) 30
(C) 4
(D) 10
(E) 1000

## Solution

Using exponent laws,

$1000^{10}=\left(10^{3}\right)^{10}=0^{3 * 10}=10^{30}$

so if we were to write the number out in full, there should be 30 zeros.

ANSwer: (B)