Friday, 9 September 2022

EXPONENTIALS F2

 If y5 = 6, find y15.

 

Solution

 

= y15

 

= (y5)3

 

= (6)3      remember y5 = 6

 

= 6 x 6 x 6

 

= 216

 

Hence y10 = 121.

 

TRY THIS……………….

 

If  y15 = 4, find y60.

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