exam Maths Puzzle Numerical Ability

Exercies in radicals. The problem asks for the fifth root of 147. How do we simplify or solve this expression? Thanks so much

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exam Other Question

Simplify

y to 0 power x -8power/x -7power z((y 5power)-2power/(z 0 power)9 - x 11power/y 4power)
how can i convert centimetres into metres or ft.??