Answer:
A).
Jake and Katerina are enjoying breakfast at a café in Prague. The crepes cost $2.25 each, and strawberries cost $0.25 each. They
2 answers:
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Answer:
( 11/2, 5 ) !
Step-by-step explanation:
Refer to the picture!
Step-by-step explanation:
in a geometric sequence there is a constant factor x that is multiplied with every previous term to create the next one.
a2 = 20
a5 = 1280 = a2×x×x×x = a2×x³ = 20x³
64 = x³
x = 4
=> a1 = 5
therefore
an = an-1×4 =
n > 1