exam
Maths Puzzle
Numerical Ability
Write 0.21 as a percent.
Would this be 21%?
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I need to simplify the expressions - all variables are positive -HELP!!!!!
1. 7^4/5/7^1/3
2. (10^3/4 * 4^3/4)^-4
3. 1/x^-2/3
4. xy^3/x^1/4y^2/3
5. (