A - 24!
-21 as its true value is 21
-3 as its true value is 3
if you add them together you get 24!
Hope this helped ^^
Im going to say B.)
I hope I'm correct
Answer:
15,008 grams
Step-by-step explanation:
You have 30,016 grams of radioactive kind of rubidium. How much will be left after 54 minutes if its half-life is 18 minutes? 15,008 grams.
Answer:
75
Step-by-step explanation:
if u follow 1 from the bottom line straight up, u will get 75
Answer:
y=3r-230
Step-by-step explanation:
Subtract the 3r from the first aide to put it along with the 230. Then, we must divide both sides by negative 1 to get y by itself. This gives us y=3r-230.