
Mark M. answered 02/17/17
Tutor
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Mathematics Teacher - NCLB Highly Qualified
an = a1(r)n-1
6641480 ≤ 4(2)n-1
Can you solve for n?
Carolyn E.
asked 02/17/17Mark M. answered 02/17/17
Mathematics Teacher - NCLB Highly Qualified
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Carolyn E.
02/17/17