Answer:
4) 0.001
Step-by-step explanation:
The amount (a) present in h hours is ...
a(h) = (initial value)×(1/2)^(h/(half-life))
6 days is 6×24 hours, so the amount remaining is ...
a(6×24) = 50×(1/2)^(6×24/9) = 50/2^16 ≈ 0.001 . . . . milligrams
Answer: 180 ft^3
Step-by-step explanation:
First let's put in the values.
-8(-2-3·-4)
Solve using PEMDAS
Parentheses (Multiplication)
-8(-2+12)
Parentheses (Addition)
-8 · 10
Multiplication
-80
The answer is -80
Answer = $55
Because 3 + 7 + 5 = 15
The 3 = black coffee
The 7 = sugar coffee
And the 5 = milk coffee
So then u do 5/15 simplified = 1/3
So then do 1 /3 of $165 = $55
