Question

-2²=
3²×3=
(2²)³=
12×(-10)²-5³×10

Answer 1

$-2^2=-4\\3^2\cdot 3=3^3=27\\\left ( 2^2 \right )^3=2^6=64\\12\cdot (-10)^2-5^3\cdot 10=12\cdot 100-125\cdot 10=1200-1250=-50$