exam Maths Puzzle Numerical Ability

The problem is 2/x^-4. I know the way to solve normal negative exponents so I tried that and got: 2/1/x^4, simplified to 2/x^4 because 2/1 is 2. I got 2/x^4 as a final answer. Is this correct?

Read Solution (Total 0)

exam Other Question

Can anyone give me a hand with this one? Thanks!

3^x-1 = 2

Give answer to four decimal places. Thanks again!
(2x+5)(5x-3)