1.-(6)^-1
a.6
b.1/6
c.-1/-6
d.-6
2.(-8.3)^0
a.1
b.-1
c.0
d.-8.3
3.-1/p^-6
a.-6/p
b.-6p
-p^6
p^6
4.4^6*4^3
a.4^9
b.4^18
c.12^9
d.64^9
5.(-4)^-6(-4)^7
a.4^13
b.-4
c.13
d.1
6.(^6)^2
a.2y^12
b.y^12
c.y^8
d.y^36
7.(6q^6)^-4
a.6q^1296
b.1296q^2
c.1/1296q^24
d.6q^-24
8.what is the value of 12x^-3^-1 for x=-1 and y =5
a.-12/-5
b.-180
c.-60
d.-5/-12
9.(y^-5)^-10y^10
a.y^-60
b.y^60
c.y^-150
d.y^150
Find the simplified form of each expression
10.(4/7y^5)^2
a.8/14y^10
b.16/49y^25
c.16/49y^10
d.8/14y^25
11.Determine if the number is written in scientific notation. If not, explain 2.01*10^-5
a.no it is not written as a number times a power of 10
b.no,the first factor is not a number between 1 and 10
c. yes, the number is written in scientific notation
12. what is the order of 1.5*10^3, 1.4 *10^-1, 2* 10^3, and 1.4 *10^2 from least to greatest.
a.1.4*10^-2,1.4*10^-1,1.5*10^3,2*10^3
b.1.4*10^-1,1.4*10^-2,2*10^3,1.5*10^3
c.2*10^3,1.5*10^3 ,1.4*10^-1,1.4*10^-2
d.2*10^3,1.4*10^-2,1.5*10^3,1.4*10^-1
13.find the simplified form of the expression. Give your answer in scientific notation.(8*10^4)(9*10^-8)
a.7.2*10^-5
b.7.2*10^-3
c.72*10^-4
d.7.2*10^-31
14.Astronermers measure large distances in light years. One light year is the distance that light can travel in one year, or approximently 5.88*10^12 miles. Suppose a star is 2.23*10^2 light years away from earth. In scientificnotation, approximetly how many miles is it.
a.2.23*10^4
b.1.31*10^14
c.1.31*10^15
d.5.88*10^12
15.A dinosaur fossil is 92,170,000 years old. How can you expres this age in scientific notation with the highest level of precission
a.9.2*10^7
b.9.217*10^7
c.9.22*10^7
d.9*10^7
16.Radio signals travel at a rate of 3*10^8meters per second.How many seconds would it take for a radio signal to to travel from a satellite to the surface of the earth if the satellite is orbeting at a height of 9.6*10^6 meters.Hint time is distance divided by rate.
a.3.2*10^2 seconds
b.3.2*10^-2 seconds
c.3.13*10^1 seconds
d.2.88*10^15 seconds
17.Does the rule y=6x^7 represent an exponential function
a.yes
b.no
18.Suppose that the amount of algae in apond doubles every 4 hours, if the pond initially contains 90 pounds of the algae, how much algae will there be in the pond after 12 hours.
a.720 pounds
b.360 pounds
c.1,440 pounds
d.114 pounds.
19.a 3,300.00 principal earns 4% interest compound anually. After 3 years what is the balance in the account.
a.3,712.05
b.211,200.00
c.3,696.00
d.10,296.00
20.a boat costs 92,000.00 and depreciates in value by 15% per year. how much will the boat be worth after 10 years.
a.18,112.45
b.78,200.00
c.18,941.98
d.69,000.00