Question

Solve and sort the result in ascending order. : (smallest on top)

• A. $3.2\times 3.2$
• B. $2.4\times 4.2$
• C. $2.6\times 3.8$
• D. $8\times 1.251$
• E. $7.1\times 1.4$

Answer 1

$2.4\times 4.2=10.08$
$2.6\times 3.8=9.88$
$3.2\times 3.2=10.24$
$7.1\times 1.4=9.94$
$8\times 1.251=10.008$
9.88 < 9.94 < 10.008 < 10.08 < 10.24
$\therefore$ 2.6 $\times$ 3.8 < 7.1 $\times$ 1.4 < 8 $\times$ 1.251 < 2.4 $\times$ 4.2 < 3.2 $\times$ 3.2