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### MEAP Preparation - Grade 7 Mathematics1.147 Exponent/Index and Base

 The number which is written above and to the right of a symbol is called an exponent or an index. The number which is being multiplied with itself is called base. When a number has no exponent, the exponent is understood to be one. Thus x and x1 are the same. Examples: In x3, x is called the base and 3 is the exponent or index. In (3y)2, 3y is called the base and 2 is the exponent or index. Directions: Choose the correct answers. Also write at least ten examples of your own.
 Q 1: (10x)8 find the base ?10x8 Q 2: x10 -- find the exponent.x10 Q 3: x2 -- find the base.2x Q 4: (9x)3y -- find the base.3y9x Q 5: y7 -- find the index.7y Q 6: 9x -- find the index.x9 Q 7: (3x)5 -- find the base.53x Q 8: (3x)5 -- find the exponent.5x Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!