Step-by-step explanation:
I think, he made a mistake because the exponents have different values but then if you'll look at his results, he just wrote the same thing. If you want, you could post the original problem, and I'll solve it for you :)
Answer:
$427.72
32/100×$629
=$201.28
$629-$201.28
=$427.72
or
100-32
=68
68/100×$629
your laptop is nice really
A
(5x4) - 6 / 2 = x
1/8 :)
1/8 is correct because 12.5*8=100