Answer:

or

Step-by-step explanation:
If Alexa worked 30 hours last week and earned $450, then her hourly payment is

Her payment has now been increased by 20%, so her hourly payment becomes

If she worked h hours, then she earned
If her new payment is p, then

or

Answer: 3
Step-by-step explanation:
Since its to the tenth power and the exponent is negative all you have to do is move the decimal point two positions back and your new answer is 0.382