power


Definition of Power

  • Power or Exponent tells how many times a number is multiplied by itself.

More about Power

  • Power is denoted by writing it above the head of its base.
  • Anything raised to the power 0 is equal to 1, i.e. 20 = 1, a0 = 1.

Example of Power

  • In 35, 5 is the power or exponent and 3 is the base.
  • In a7, 7 is the power or exponent and a is the base.

Solved Example on Power

Rewrite the expression 13 × 13 × 13 × 13 × 13 using power notation.
Choices:
A. 135
B. 134
C. 513
D. 131
Correct Answer: A
Solution:

Step 1: 13 × 13 × 13 × 13 × 13 [Given expression.]
Step 2: Here, 13 is multiplied 5 times.
Step 3: So, 5 is the power of the base 13.
Step 4: We write it as 135.

Related Terms for Power

  • Base (of a Power)
  • Dividing Powers Property
  • Exponent
  • Multiplication
  • Power Properties