if diameter of mouth of a toothpaste is 1.π/2 is the amount of toothpaste squeezed out it so that it covers the entire length of a brush then what is the length of the brush?
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Step-by-step explanation:
Anything shorter than 2 minutes doesn't give the fluoride in your toothpaste enough time to attach to the enamel in your tooth enamel. We are routinely missing out on clean teeth by cutting short our brushing time. Often – parts of the mouth get neglected.
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