As of early 2013, Apple announced its customers had downloaded 40 billion apps thus far.
How big is that number? Keep in mind 1 billion = 1 thousand millions.
Write that number in scientific notation. This means the answer is in the form of a
, where a
must be ≥ 1 and < 10.
Aligned with Common Core:
8.EE.3 - Use numbers expressed in the form of a single digit times an integer power of 10 to estimate very large or very small quantities.