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Question

Simplify and write the answer in the exponential form.

(18)5÷(18)2


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Solution

Hint: We know the law of exponents that is powers with same base: xa÷xb=xa-b

Step 1: Given expression: (18)5÷(18)2

Step 2: Solution:

Using the above law:

(18)5÷(18)2=(18)5-2{xa÷xb=xa-b}=(18)3

(18)3, this is the required exponential form.

Final Answer: (18)3, this is the required exponential form.


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