CPM Homework Help : CCA2 Problem A-13

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A-13.

Write each expression below in a simpler form.

$\frac { 5^{723} } { 5^{721} }$

Hint (a):
Remember what exponent means.
Answer (a):
$5^2$ or $25$

$\frac { 3 ^ { 300 } } { 3 ^ { 249 } }$

Hint (b):
See part (a).
Answer (b):
$3^{51}$

$( \frac { 3.4 ^ { 3 } } { 3 ^ { - 2 } \cdot 4 ^ { - 7 } } ) ^ { 0 }$

Answer (c):
$1$

$( \frac { 4 \times 10 ^ { 3 } } { 10 ^ { - 2 } } ) ^ { 2 }$

Answer (d):
$16\times10^{10}$

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