Question

i) 4²- 10 + (2³- 5) =​

Answer 1

4²- 10 + (2³- 5)

16 - 10 + 8 - 5

6 + 8 - 5

14 - 5

= 9

Answer 2

$4 {}^{2} - 10 + (2 {}^{3} - 5) = \\ 16 - 10 + (8 -5 ) = \\ 16 - 10 + 3 \\ 9$