Q120 of 196 Page 249


Given that,


Using the law of exponent,


⇒ = 53 × 53 × 5-2 × x-3 × x-6


⇒ = 54 × x3


= 5 × 5 × 5 × 5 × x3


= 625 x3


∴ The answer is 625 x3


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