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## Mathematics / Powers and Roots

### Mathematics / Powers and Roots

Exponent is the number of times a number is multiplied by itself. Exponents are written as xy; where x is the number and y is the exponent or power.
Example: 2 * 2 * 2 * 2 * 2 = 25

The square of a number is that number raised to a power of 2. In other words when we multiply a number by itself we get the square of the number. Example 2 * 2 = 4
The square root of a number x is the the value which when multiplied by itself gives the number x. In the above example 2 is the square root of 4.
Learn about squares and square roots and different ways to calculate them.

Exercises
Topics
Exercises
Topics
• ### Powers - SmartTest

SmartTest on Powers

• Questions: 10

### Squares and Square Roots - SmartTest

SmartTest on Squares and Square Roots

• Questions: 10

### Cubes and Cube Roots - SmartTest

SmartTest on Cubes and Cube Roots

• Questions: 10
• Positive Integer Powers
• Squares
• Square Roots
• Cubes
• Cube Roots