Question

help me please also check my work

Answer 1

@CarterorWolfie214

Answer 2

The ones that you did are correct

Answer 3

For number 6, you could also use a calculator but by the way \[7^4 = 7 \times 7 \times 7 \times 7\]

Answer 4

For number 7, remember 2 negatives make a positive so do \[55 \frac{2}{10}(\frac{2}{3})\] you can change the first mixed numeral into an improper fraction, then multiply

Answer 5

Number 9, 19^2 = 19 times 19

Answer 6

\[\frac{2}{3} + \frac {4}{5} \\ \frac{2 \times 5}{3 \times 5} + \frac{4 \times 3}{5 \times 3} \\ \frac{10}{15} + \frac{12}{15}\] then you can add, and then simplify

Answer 7

nvm