Question

Question 1 (i)
Find ${64}^{\frac{1}{2}}$ .

Answer 1

${64}^{\frac{1}{2}}$

$={\left(2^6\right)}^{\frac{1}{2}}[\because 64=2^6]$

$=2^{6\times \frac{1}{2}}=2^3=8[\because (a^m{)}^n=a^{mn}]$