Answer:
We have 197 g of Co-60 after 18 months.
Step-by-step explanation:
We can use the decay equation.
Where:
<u>Therefore, we have 197 g of Co-60 after 18 months.</u>
I hope it helps you!
Answer: 1560 ft squared
TRUE
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780 sheets
we know that
A machine can shred 65 sheets of paper every 5 seconds
so
using proportion
Find out how many sheets of paper can the machine shred in 60 seconds