Question

2³×9 + (13 - 11)×9

Explanation:

Step1: Calculate exponents and parentheses

$2^3=8$, $13-11=2$
Expression: $8\times9 + 2\times9$

Step2: Compute multiplications

$8\times9=72$, $2\times9=18$
Expression: $72 + 18$

Step3: Perform final addition

$72+18=90$

Answer:

90