Question

There is electric toothbrush rotate the brush 125 times per second brushes her teeth for 2 minutes twice a day how many rotations does high electric toothbrush make in one week

Answer 1

Answer: 210,000

Explanation:

there are 120 seconds in 2 minutes.

125 times 120= 15,000

15,000 times 2= 30,000

so it spins 30,00 times in a day.

30,000 times 7=210,000

so it spins 210,000 times in a week.