exam Maths Puzzle Numerical Ability

Could someone help me figure out this problem: The question is to find the GCF of 11p3 and 5p2. Note the 3 and 2 are exponents. Thanks to all.

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exam Other Question

Solve the exponential or logarithmic equations. (Write your final answer in BOTH exact and approximate value).

(a) 6^x-3 = 2^x

(b) log(5x-6) = 2log x The length of a rectangle is 1cm longer than its width. If the diagonal of the rectangle is 4cm, what are the dimensions(the length and width) of the rectangle?

x + (x+1)= 4

Am I on the right track in solving this problem?