Answer:
4.5 x 10 ^9
Step-by-step explanation:
Answer:

Step-by-step explanation:














Hope this is correct and helpful
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Answer:
Jenny will receive $12.51 in change.
Step-by-step explanation:
We need to find the total cost first.
19.99 + 7.50 = 27.49
We then subtract that from the 40 dollars she gave to get the amount of change she receives.
40.00 - 27.49 = 12.51.
She will receive $12.51 in change.
hope this helped!
Answer:
j=49
Step-by-step explanation: