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Question

Simplify and write in the exponential notation: -624÷(-6)6


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Solution

Simplifying the exponent :

Given exponential is: -624÷(-6)6

Some of the laws of exponential are:

  1. (xa)b=xa×b
  2. xa÷xb=xa-b
  3. (-x)n=(x)nifniseven

=-(x)nifnisodd

Using the above law of exponential:

-624÷(-6)6=(-6)4×2÷(-6)6=(-6)8÷(-6)6=(-6)8-6{Usingxa÷xb=xa-b}=(-6)2{As2iseven}

Hence, -624÷(-6)6=(-6)2


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