Question

a bacteria doubles every day. Write an expression to show how many bacteria will be there after 10 days. Assume there were 175 bacteria at beginning

Answer 1

175 x 20

Explanation:

You said that bacteria doubles every day, so it's x2. Since it's the course over 10 days, it's 10 x 2 = 20. So the expression is 175 x 20.