Question

1. which expression is equivalent to (1.4)^3? (round to the nearest hundredth)

1.64
3.4
2.74
3.12

Explanation:

Step1: Expand the exponent

$(1.4)^3=1.4\times1.4\times1.4$

Step2: First multiplication

$1.4\times1.4 = 1.96$

Step3: Second multiplication

$1.96\times1.4=2.744$

Step4: Round to nearest hundredth

Rounding $2.744$ to the nearest hundredth gives $2.74$

Answer:

C. 2.74