Quarter 1 Review

Convert the number 0.000123 to scientific notation.

What is the square root of 169?

• 11

• 12

• 13

• 14

Find the cube root of 512.

• 6

• 7

• 8

• 9

If the sides of a right triangle are 5 cm and 12 cm, what is the length of the hypotenuse?

• 13 cm

• 14 cm

• 15 cm

• 16 cm

Approximate the square root of 45.

• 6.7

• 6.8

• 6.9

• 7.0

Convert the number 0.000000789 to scientific notation.