Question

i want some questions on exponents and powers along with answers

Answer 1

1) 2² * 2³ = ?
2) {(5)²}³ = ?
3) $\frac{23 ^{10} }{23 ^{7} }$ = ?
4) 7³ * 9³ =?
5) 17² * $17^{-5}$ = ?
6) {(5)²}$^{-3}$ = ?

ANSWERS = 
1) $2^{5}$
2) $5^{6}$
3) 23³
4) 63³
5) $17^{-3}$
6) $5^{-6}$