How much of a radioactive kind of protactinium will be left after 3 minutes if the half-life is 1 minute and you start with 352
1 answer:
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9514 1404 393
Answer:
34
Step-by-step explanation:
Maybe you want to evaluate ...
16 - 14 ÷ 2 + (3 +2)²
The parentheses are evaluated first.
16 -14÷2 +5²
Then the exponential term.
16 -14÷2 +25
The division is evaluated next.
16 -7 +25
Finally, the sum is evaluated.
= 9 +25
= 34
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Your calculator can do this arithmetic for you.
