Simplify the following using law of exponents. 5^7 5^2 - Vidyadip

MCQ

Simplify the following using law of exponents. $\frac{5^7}{5^2}$

✓
$5^{5}$
B
$5^{20}$
C
$5^{50}$
D
$5^{15}$

✓

Answer

Correct option: A.

$5^{5}$

we know, $\frac{\text{a}^\text{m}}{\text{a}^\text{n}}=\text{a}^{\text{m}-\text{n}}$
so, $\frac{5^7}{5^2}=5^{7-2}$
$=5^5$

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