What is the missing term in the sequence 4, 8, 16, ___, 64?
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What is the missing term in the sequence 4, 8, 16, ___, 64?
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Answer:
Formula: An= A1Rn-1
where A1 is the first term,n is the number of terms, & r is the common ratio.
Solution:
An= A1Rn-1
(we're gonna use A4(to read as: A sub 4) since we are searching for the 4th term here)
A4=4(2)4-1
=4(2)³
=4(8)
A4= 32
Therefor, the 4th missing term is 32.
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