After first hour, 50 * 2 = <<50*2=100>>100 ants.

After the second hour, 100 * 2 = <<100*2=200>>200 ants.

After the third hour, 200 * 2 = <<200*2=400>>400 ants.

After the fourth hour, 400 * 2 = <<400*2=800>>800 ants.

After the fifth hour, 800 * 2 = <<800*2=1600>>1600 ants.

# Answer

1600
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
In a jar that has 50 ants, the number of ants in the jar doubles each hour. How many ants will be in the jar after 5 hours?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
1600
In a jar that has 50 ants, the number of ants in the jar doubles each hour. How many ants will be in the jar after 5 hours?
train