1. Number

Middle Years

$7^2$72 is equal to which of the following?

$72$72

A

$7\times7$7×7

B

$2\times2\times2\times2\times2\times2\times2$2×2×2×2×2×2×2

C

$7\times2$7×2

D

Easy

< 1min

Which three of the following numbers are perfect squares?

Easy

< 1min

Evaluate $4^2$42

Easy

< 1min

Evaluate $9^2$92

Easy

< 1min

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