Question

Select all the expressions that are equal to (1.5)3.
5.0625
3.375
4.5
2.25 × 1.5
2.5 × 1.25

Answer 1

(1.5)^3 = (3/2)^3 = 27/8 = 3.375.

So the equal expressions are:
- 3.375
- 2.25 × 1.5 (since 2.25 = 1.5^2, so 2.25×1.5 = 1.5^3)

The others are not equal.