GCSE Secondary Maths Age 13-17 - Number: Indices - Explained

The video tutorial explains how to calculate 5 to the power of 4. It begins by introducing the concept of exponents and clarifying the meaning of the index, which indicates how many times a number is multiplied by itself. The tutorial then provides a step-by-step calculation of 5^4, resulting in the answer 625. Finally, it mentions that the correct answer is worth one mark.

What is the base number in the expression 5 to the power of four?

• 4

• 5

• 9

• 20

What does the exponent in 5 to the power of four indicate?

• The number of times 5 is added to itself

• The number of times 5 is divided by itself

• The number of times 5 is subtracted from itself

• The number of times 5 is multiplied by itself

How many times do you multiply 5 by itself in the expression 5 to the power of four?

• 2

• 5

• 4

• 3

What is the result of 5 multiplied by itself four times?

• 100

• 625

• 25

• 125

What is the final answer for 5 to the power of four?

• 100

• 625

• 125

• 25