I need help really fast and i am really confused so someone please help

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.

Julie begins counting backwards from 1000 by 2’s and at the same time tony begins counting forward from 100 by 3’s.   if they count at the same rate, what number will they say at the same time?