Answer:

Step-by-step explanation:
Using the power of power rule (multiply the exponents)
×
× 

When exponents are multiplied, add the answers:
x ^ ( 4/9 + 2/9 )
x ^ ( 6/9 )
x ^ ( 2/3 )
Answer:
4hrs to 9hrs
Step-by-step explanation:
The ratio of 20 hours to 45 hours is
4hrs to 9hrs
If they get unexpected results they could note what they could've done wrong or what they could change in a next trail of experiments. Or look back and see what different happened to they could've hypothesized. There could be many different courses on what to do next.
Americans work an average of 34.4 hours per week. The average hours per week worked varies based on gender, marital status, and race.
Answer:
D 34
Step-by-step explanation:
i hope you understand