Answer:
2.5mg
Step-by-step explanation:
Since the half-life for the radioactive material is 3 hours, Therefore it will undergone two times of half-life process.
The first 3 hours 10mg will be decreased into 5mg. The final 3 hrs, it will decreased from 5mg to 2.5mg
Answer:
22.
Step-by-step explanation:
"Plug and chug" .75 multiplied by different numbers, up until you get to 16.5 as an answer. 22 is what you multiply it by, so that is correct.
Answer:
a b
Step-by-step explanation:
The answer is 9300
Hope this helped :)
Answer:
92
Step-by-step explanation:
5x - 2y + (7x - y) = 5 * 7 - 2 * (-2) + (7 * 7 - (-2)) = 35 - (-4) + (49 + 4) = 39 + 53
= 92