Answer:
56 days
Explanation:
where A is final amount, Ao is initial amount, t is time taken, h is half life
Here given:
initial amount: 400 millicuries
final amount: 3.125 millicuries
half life: 8 days
time taken: ?
Hence solve for time taken:
<u>insert values given</u>
<u>divide both sides by 400</u>
<u>apply exponent rule</u>
<u />
<u>simplify</u>
<u>multiply both sides by 8</u>
The opposite of subtraction is addition.
Thus, adding by 941 is the opposite of subtracting by 941.
Answer:
The correct answer is A.
Step-by-step explanation:
Decision variable are the numbers which are determined by the decision makers. This enables to identify the different possible events that might occur. The decision makers then select a number and identifies the possible occurrence of the events.
I think it's saying like from a negative to a positive, you say like, -1 to 5, Idk XD