Question

$\frac{5^4 × 5^3}{5^7}=?$

• A. 1
• B. 58
• C. 25
• D. 5

Answer 1

Answer:

A. 1

$a^m\times{a^n} = a^m+n$

$\frac{5^4 × 5^3}{5^7}$

$=\frac{5^{4+3}}{5^7}$

$=\frac{5^7}{5^7}$

$=1$