Answer:
Sarah will have $200 after 3 weeks
Step-by-step explanation:
amount saved at the start = $20
amount saved per week = $10
number of weeks = 3
∴ Total savings from allowance after 3 weeks = 10 × 3 = $30
Amount received in birthday money = $150
∴ Total amount saved after 3 weeks = amount saved at the start + Total savings from allowance after 3 weeks + Amount received in birthday money
Total amount saved after 3 weeks = 20 + 30 + 150 = $200
Therefore Sarah will have $200 after 3 weeks
Answer:
3.456E + 14= 
Step-by-step explanation:
The river discharges
cubic feet of water into the Pacific Ocean each second.
There are 86,400 seconds in one day.
Amount of water discharges each day

Since this differs from what you have, I will explain the scientific notation.
3.456E + 14 simply means 
The options are not well laid out but you can pick the appropriate option.
50,000 is the answer to the question
Answer:
A. How much Anna weights in kilograms is what is asked (Btw is it her or his?)
B. The values given is 54000 (most likely in grams )
C. The operation that is going to be used is 1000 since kilograms is 1000 grams
D. The solution is 54 kilograms
E. To get 54 kilograms to grams we can just multiply by 1000 again which will result into 54000 thus the answer is correct
Step-by-step explanation:
A:
The question is asked when there is a "what" or a problem statement
B:
The only value or digits given is 54000
C:
in the Metric Scale Kilograms is 1000 times larger in value than grams thus 1000
D:
Divide 54000 with 1000 which is 54
E:
Um.... just multiply 1000 ._. (That's the only way I can check it)
Hope this helps!