22.8 grams of element will be remaining after 7 minutes
Further explanation:
Given

The element reduces (1-22%) in one minute.
The process will be repeated 7 times for 7 minutes
If we have to calculate the amount of element after 7 minutes
then the total reduction will be: (1-22%)^7

22.8 grams of element will be remaining after 7 minutes
Keywords: Decay, Percentage
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Answer:
12, 72, 180
Step-by-step explanation:
It would be 2:6, or 2 to 6.
I hope this helps :)
Answer:
hour and a half
Step-by-step explanation:
Answer:
The distance is (2, 0)
Step-by-step explanation:
The first number is on the X axis. You move forward two places to get 7. The second number is on the Y axis, and you don't need to move anything so it stays the same. Hence the answer is a distance of two on the X axis.