Power Play

Why is learning powers important in mathematics?

1. Powers are useful only for memorising numbers.
2. Powers help simplify repeated multiplication and are used in algebra, geometry, science, technology, and real-life calculations.
3. Powers are not used outside classrooms.
4. Powers are only used for addition.

Which property is correct for any non-zero number a?

1. a^0 = 0
2. a^0 = 1
3. a^0 = a
4. a^0 = a^2

What is the base in the expression 12^5?

1. 5
2. 12
3. 60
4. 17

Which of the following represents a cube?

1. 5^2
2. 5^3
3. 3^5
4. 2^5

What is the value of 9^2?

1. 18
2. 81
3. 91
4. 99

Which of the following is a power of 2?

1. 18
2. 24
3. 32
4. 45

What is the value of 1^100?

1. 0
2. 1
3. 100
4. 10

Which statement is true about a^1?

1. a^1 = 1
2. a^1 = a
3. a^1 = a^2
4. a^1 = 0

What is the value of 4^3?

1. 12
2. 16
3. 64
4. 81

What is the value of 6^2?

1. 12
2. 18
3. 36
4. 62

Which of the following is the expanded form of 3^4?

1. 3 × 4
2. 3 + 3 + 3 + 3
3. 3 × 3 × 3 × 3
4. 4 × 4 × 4

What is the value of 10^3?

1. 30
2. 100
3. 1000
4. 3000

In 7^4, what is the exponent?

1. 7
2. 4
3. 28
4. 49

What is the value of 2^5?

1. 10
2. 16
3. 32
4. 64

What does the expression 5^3 represent?

1. 5 × 3
2. 5 + 5 + 5
3. 5 × 5 × 5
4. 3 × 3 × 3