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

A(t)=728(1+0.04)^t how much money did aditya originally invest

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 25002500 grams and a standard deviation of 800800 grams while babies born after a gestation period of 40 weeks have a mean weight of 27002700 grams and a standard deviation of 385385 grams. if a 3232-week gestation period baby weighs 21252125 grams and a 4040-week gestation period baby weighs 23252325 grams, find the corresponding z-scores. which baby weighs lessless relative to the gestation period?