Exponents

Four to the fourth power would be read as

• 4 X 4

• 4 + 4

• 4⁴

• 4 - 4

Nine to the eight power would be

• 9⁸

• 8⁹

• 9 + 8

• 8 + 9

9³ =

• 12

• 27

• 81

• 729

4⁴ =

• 8

• 16

• 64

• 256

20³ =

• 23

• 400

• 8,000

• 16,000

5³ =

• 125

• 625

• 1,425

• 3,125

11² =

• 9

• 13

• 121

• 184

Solve when x = 4. 5x - 8 =

• 1

• 12

• 20

• 36

Solve when x = 10. x + 9

• 18

• 19

• 21

• 31