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Simplify and express the following in exponential form: 45×a8b345×a5b2

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Question

Simplify and express the following in exponential form:

`(4^5 xx a^8b^3)/(4^5 xx a^5b^2)`

Sum
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Solution

`(4^5 xx a^8b^3)/(4^5 xx a^5b^2) = 4^(5  - 5) xx a^(8  -  5) xx b^(3  -  2)`     ...(∵ am ÷ an = am - n)

= 40 × a3 × b1

= 1 × a3 × b

= a3b

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Chapter 11: Exponents and Powers - EXERCISE 11.2 [Page 181]

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NCERT Mathematics [English] Class 7
Chapter 11 Exponents and Powers
EXERCISE 11.2 | Q 2. (xi) | Page 181

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