This picture will explain the mistake. She didn’t carry down the -2/4 and add to make sure her answer was fully correct.
Answer:81030m
Step-by-step explanation:1km=1000m, 81km=81000+30=81030m
Step-by-step explanation:
V = 1/3 pi r^2 h
root(V ÷ 1/3 pi) = h
Answer:
f(5) = 3200
Step-by-step explanation:
Using the recursive formula to generate the terms, that is
f(2) = 2 × f(1) = 2 × 200 = 400
f(3) = 2 × f(2) = 2 × 400 = 800
f(4) = 2 × f(3) = 2 × 800 = 1600
f(5) = 2 × f(4) = 2 × 1600 = 3200
