Question

Can anyone answer these for me please?

Answer 1

(2) is 1
because of pemdas

Answer 2

2. 16 ÷ (10 - 6)²
    16 ÷ 4²
    16 ÷ 16
    1

3. 5² - (5 - 7)(2)
    25 - (-2)(2)
    25 - (-4)
    25 + 4
    29

4. 3(-3) + (7 + 4)
    -9 + 11
     2

5. 3³/(5 - 2) - (4 - 2)²/2
    27/3 - (2)²/2
    9 - 4/2
    9 - 2
    5