Question

The steps that Malcolm performed to simplify the expression

3.4
×
(
3.6
−
2.8
)
2
are shown.

Step
1
:
3.4
×
0.8
2
, determined by hand
Step
2
:
1.7
×
0.4
, determined by hand
Step
3
:
0.68
, determined using a calculator

Which statement is true?

Answer 1

The answer should be 9 9/20

Explanation:

You need to take the total volume of the regular box and multiply it by the downsize of 3/10 and that leaves you with 9.45.

Answer 2

the answer should be 9 9 20