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zysi [14]
3 years ago
8

You have 896 grams of a radioactive

Mathematics
2 answers:
Margarita [4]3 years ago
7 0

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

lisov135 [29]3 years ago
6 0

Answer:

56 grams

Step-by-step explanation:

To get how much a HALF-life is, divide the amount by two getting one half of the original amount. That represents on half-life. so 224= 56 x 4

remember the half-life is fifty-six, so there would be 4 half-lives within 224 seconds. Divide 896 by 2 (448) then again divide by 2 (224) divide by 2 again (112) and again divide by 2 and you would get 56 grams.

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