Question

Which expression is most easily solved without the use of a calculator?

(5.6 – 2.9) × 2.2
1.2 × (8.4 – 6.4)
(8.7 – 1) × 5.4
0.9 × (7.8 – 3.9)
im timed

Answer 1

1.2 × (8.4 – 6.4)

Explanation:

8.4 - 6.4 = 2

2 x 1.2 = 2.4

This one seems the easiest to multiplying into and subtracting than the others.

Answer 2

1.2 x (8.4-6.4)

Explanation:

1.2 x 2 = 2.4