exam Maths Puzzle Numerical Ability

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Problem: Use the digits 1-9 in order. Insert operation signs and add grouping symbols to got the value of 100.

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exam Other Question

I'm stuck again in the percent department,I have some more problems I need help with,I guess this is where my weakness is in, in math.The first problem is the cost of a computer de I am trying to simplify the following cube root 40 times 4 cuberoot 5
40^1/3 * (4)5^1/3 . I'm not sure if I multiply the 5 *40 and get 4(200^1/3) or can it be simplified more? Tha