PLEASE HELP!! Directions: Simplify the following by subtracting the exponents.

1.

r6

__

r

2.

s5t4



s2t3

3.

q2r2s



qrs

4.

x3y6z



x2y2z

5.

m7n3o



m2n2o

6.

x4

___

x

7.

z3

___

z5

8.

a3b2



ab2

9.

d4f3



df

10.

mn2



mn2

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.

The half-life of a certain material is 0.004 second. approximately how much of a 20-gram sample will be left after 0.016 second? a. 5 grams b. 16 grams c. 0.32 gram d. 1.25 grams