CIE IGCSE Maths: Powers, Roots & Standard Form Quiz

What is the base number in the expression 5^3?

• 15

• 3

• 5

• 25

What is the value of any non-zero number raised to the power of 0?

• Undefined

• 0

• 1

• It depends

What are the two square roots of 25?

• 5 and 10

• 5 and -5

• 0 and 5

• 25 and -25

What is the notation for the cube root of a number?

• ∜

• ∛

• ∝

• √

What is the reciprocal of 2?

• 0.5

• 1

• 4

• 2

According to the laws of indices, what is a^m × a^n equal to?

• a^(m+n)

• a^(m-n)

• a^(mn)

• a^(m/n)

What does a negative power indicate?

• The reciprocal of the positive power

• The number is squared

• The number is zero

• The number is negative

In standard form, what is the range for 'a' in the expression a × 10^n?

• a can be any number

• 10 ≤ a < 100

• 1 ≤ a < 10

• 0 ≤ a < 1

What is the result of 4 × 10^3 + 6 × 10^3?

• 4 × 10^3

• 10 × 10^3

• 1 × 10^4

• 10 × 10^4

How do you convert 0.007052 to standard form?

• 7.052 × 10^3

• 7.052 × 10^-3

• 7.052 × 10^2

• 0.7052 × 10^-2