Question

1 Write each expression simplify when possible. 23. 24.

Please Explain too I'm having trouble

Answer 1

Before answering the exact question you sent, you have to understand one simple principle: there are two forms of a variable with a fraction as an exponent, exponential form and radical form.

Example:

`exponential\ form = x^(1/3)\\radical form = \sqrt[3]{x}`

If the exponent is a fraction, the denominator of the fraction is the number on the outside of the radical sign.

So, for #23, you would change
`\sqrt[3]{a}` to
`a^(1/3)`. Then, because the a is the same after the 2 and the 3, you can add them up to get
`5 a^(1/3)`.

For #24, you'd do almost the same thing (change the radical-b's to
`b^(1/4)` and
`b^(1/3)`. However, you can't add them up because the exponents are different (1/4 and 1/3), so you'd leave it as
`3b^(1/4) - b^(1/3)`