4 + 12 + 36... etc
is a sum that can be rewritten in form
4 ( 1, 3, 9, 27, 81, etc) this can further be written in sigma notation:
4 Sigma [ 3 ^ ( i - 1)]
The sum of the indefinite summation will be the limit as i goes to infinity = infinity
Answer:
52.4
Step-by-step explanation:
% change = 100 x final initial/initial
80% of 860 is 688
860 x 0.8 =
688
Answer:
I think it would take 6 minutes to reach temperature below 8 °C