9514 1404 393
Answer:
sum = ∑[n=1,5] 4^(n-4)
Step-by-step explanation:
First of all, you need to be able to describe the n-th term.
Here, we have ...
term #: 1, 2, 3, 4, 5
value: 4^-3, 4^-2, 4^-1, 4^0, 4^1
That is, the exponent of 4 is 4 less than the term number. So, the n-th term is 4^(n-4). The sum of the 5 terms shown is then ...
Answer: B false
Step-by-step explanation:
Answer:
306
Step-by-step explanation:
Answer:
135.71 sea otters
Step-by-step explanation:
y = 70(1.18)^4
y = 70 x 1.9387
y = 135.71
Answer:
15mph
Step-by-step explanation:
360 divide by 3 = 120
360 divide by 4 = 90
120 - 90 = 30
30 divide by 2 (cause boosting speed and drag) = 15
so let's check
120-15=105
105+15=120
105-15= 90
so the answer's 15.
