Plzzz helppp giving brainiest to the first one
2 answers:
Answer:
I’m smart UwU
Step-by-step explanation:
Answer:
Arsenic-74-is used to locate brain tumors. It has a half-life of 17.5 days. ... C. Find the amount remaining after 6 days from a 90-mg sample
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Answer:
should be the second one 75 + 20x <55 +44x
Answer:
65
Step-by-step explanation:
He did not perform enough trials. The more trials you perform, the closer it gets to the predicted outcome.
Answer:
39;45
Step-by-step explanation:
students on the floor;total students
