Y7, T4 - Indices

What does the following equal?

a ²

• a + a

• a - a

• a x a

• a ÷ a

Write the following in expanded notation.

9³

Which of the following is the expanded notation of

(-1)²

• 1 x 1

• 1 x -1

• -1 x 1

• -1 x -1

Which of the following is true?

• (-1)² = 1

• 2² = -4

• 3² = 6

• 4² = 8

What is the following in index notation?

2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2

• 2⁷

• 2⁸

• 2⁹

• 2¹⁰

Which of the following are true? (more than one correct answer)

2² x 2

• 2^{2 + 1}

• 2^{2 x 1}

• 4

• 8

Evaluate the following

5⁰

• 0

• 1

• 5

• 10

• 1

• 4

• 6

• 16

• 1

• 2

• 3

• 8

What is the area of a square with side lengths of 12 cm?

• 12 cm

• 24 cm²

• 144 cm

• 144 cm²