Question

15. Find
(2° +4-) x 22 is equal to
O
2
О
3
O
4
O
5

Answer 1

$\rm{(2^0+4^{-1})\times 2^2=(2^0+4^{-1})\times4}$

$\longrightarrow\rm{(2^0+4^{-1})\times 2^2=(1+1/4)\times4}$

$\longrightarrow\rm{(2^0+4^{-1})\times 2^2=(4/4+1/4)\times4}$

$\longrightarrow\rm{(2^0+4^{-1})\times 2^2=5/4\times4=5}$