6*14=84
the answer is 84cm²
The function is:
B ( t ) = 4 * e^(0.8 t)
4 * e^(0.8 t) = 400
e^(0.8 t) = 400: 4
e^(0.8 t) = 100 / ln
ln e^(0.8 t) = ln 100 ( and since: ln e = 1 and ln e^x = x * ln e )
0.8 t = 4.6
t = 4.6 : 0.8 = 5.76 ≈ 6
Answer:
D ) 6 hours.
Answer:
14
Step-by-step explanation:
2(l+b)
2(3+4)
2(7) now do multiply
answer 14m
Step-by-step explanation:
0.075 % is the probability of that