Do any of you guys know the answers to these! Need help

Answer:
(16) 0 (17) 36
Step-by-step explanation:
8-3 = 5
5x5 = 25
25 / 25 = 1
1 - 1 = 0
and 81 / 9 x 4 = 9 x 4 = 36
Answer:
0 and 36
Step-by-step explanation:
16
25 ÷ (8 - 3)² - 1 ← evaluate parenthesis
= 25 ÷ 5² - 1 ← evaluate exponent
= 25 ÷ 25 - 1 ← evaluate division
= 1 - 1
= 0
17
[tex]\frac{4}{9}[/tex] × 81 = 4 × 9 = 36