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Question
Simplify and express the following in exponential form:
`(3 xx 7^2 xx 11^8)/(21 xx 11^3)`
Sum
Solution
`(3 xx 7^2 xx 11^8)/(21 xx 11^3) = (3 xx 7^2 xx 11^8)/(3 xx 7 xx 11^3)`
= 31 - 1 × 72 - 1 × 118 - 3 ...(am ÷ an = am - n)
= 30 × 71 × 115
= 1 × 7 × 115
= 7 × 115
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