5×10 −2 0.00065 = ? start fraction, 0, point, 00065, divided by, 5, times, 10, start superscript, minus, 2, end superscript, end fraction, equals, space, question mark

Renita analyzed two dot plots showing the snowfall during the winter months for city a and for city b. she found that the median snowfall is 5 inches less in city a than in city b. the mean snowfall is about 2 inches less in city a than in city b. which explains why there is a difference in the measures of center for the sets of data?

Can someone me with this problem i don't understand i need

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?