20 points!
simplify. a7/a3
a)
a^4
b)
a^8
c)
a^10
d)
a^21

Write each expression in exponential form and find its value.| ! 2 x 2 x 2 x 2

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?

Write the ratio as a fraction in lowest terms 1 1/3 to 1 2/3