Every 56 seconds, the radioactive substance is divided in half.
224 / 56 = 4
We need to cut the substance in half 4 times.
896 / 2 = 448
448 / 2 = 224
224 / 2 = 112
112 / 2 = 56
After 224 seconds, there will be 56 grams of the radioactive substance left over
Answer:
0, 2, 4, 6, 8, 10, etc..
Step-by-step explanation:
Basically any even number or 0
Answer:
5
Step-by-step explanation:
25/5
5×5=25
5 <---answer
Answer:
15
Step-by-step explanation:
a square root multiplied by itself equals the number inside the box, right?
(/~15~)2 = 15
