Skip to content / Đến nội dung
ThichHocToan.com

2015 AMC 12A Question 15

AMC12 · 2015 AMC 12A

Question 15

What is the minimum number of digits to the right of the decimal point needed to express the fraction $$
\dfrac{123456789}{2^{26}\cdot 5^4}
$$ as a decimal?
  1. $4$
  2. $22$
  3. $26$
  4. $30$
  5. $104$