exam Maths Puzzle Numerical Ability

how can I simplify the exponents when adding and the last exponents has got a whole number before it

Read Solution (Total 0)

exam Other Question

(Square root of)12xy *(times) (the cubed root of)9x2y * (the fourth Root of) 15x3y2 * (the 8th root of)24x5y7 write an equation to solve the problem. the service pool built a pool that was 100ft by 60ft wide. they want to built a sidewalk around the pool and had 450ft of fence. what is the maximum width that the sidewalk can be?