Question

Starting with 50 mice, what will be the population in 4 years if it doubles every year?

Answer 1

the answer is 800

Answer 2

\[year 1: 50\times2=100\]
\[year 2: 100\times2=200\]
\[year 3: 200\times2=400\]
\[year 4: 400\times2=800\]