The number of factors in the expression 6² x 2⁴ x 30
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Answer:
Number of factors is 50
Simply firstly write the equation in simplest form
6×6×6×6×5 = 2⁴×3⁴×5¹
let any factor of the number be (2^x) (3^y) (5^z)
Number of ways of selecting x , y , z is
For x : 4+1
For y : 4+1
For z : 1+1
So number of ways of selecting x , y , “and” z is
(4+1)((4+1)(1+1) = 5×5×2 = 50
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