sts11

Write √64 as an exponential expression.

• 7²

• 9²

• 8²

• 6²

√16

• 4
• 8
• 2
• 9

√121

• 12
• 10
• 11
• 3

• 144

• 144

• 12

• 288

• 64

• 8

• 32

• 128

• 10

• 100

• 200

• 1

• 10

• 100

• 200

• 1

Which is the best estimate of the square root of 63?

• 7.1
• 7.3
• 7.5
• 7.9

Which number is irrational?

• 9.6
• √45
• 3/8
• 3.4 x 10 ⁵

Which number is rational below?

• √20
• √64
• 6π
• √7