Question

Evaluate: - 2 to the third power - 45(15+10-23)

Answer 1

1. Remember

$2^3$

Means

$2\times2\times2$

Therefore,

$2^3=2\times2\times2=8$

2. Remember that we have to solve what's inside the parenthesis first. Therefore,

$45(15+10-23)=45(2)=90$