Question

1. (16 + 20 + 4) - 3³

Explanation:

Step1: Calculate sum inside parentheses

$16 + 28 + 4 = 48$

Step2: Evaluate the exponent term

$3^3 = 3 \times 3 \times 3 = 27$

Step3: Subtract the two results

$48 - 27 = 21$

Answer:

21