6.7: Quiz II
Difficulty Level: At Grade
Created by: CK12
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Multiple Choice – Please circle the letter of the correct answer and write that letter in the space provided to the left of each question.
 ________ What is the standard form of
6.57×10−4 ?
1657  0.000657
 65 700
 0.000657

 ________ What is the solution for the exponential equation
43x+5=24x−3 ? 8
 10

−27 
−132
 ________ If
f(x)=2(3−x+3) , what is the value of ‘x ’ iff(x)=29 ?
x=5 
x=9 
x=3 
x=2

 ________ What is the result of expressing 37100000 in scientific notation?

3.71×102 
3.71×107 
0.371×103 
3.71×10−1

 ________ If Maria invested $200 in a savings bond that appreciates 8% compounded annually, how much money will she have at the end of 10 years?
 $631.78
 $216.59
 $431.78
 $416.59
 ________ What is the
y intercept of the exponential functiony=4(0.5)6 ?
y=0.02 
y=0.5 
y=6 
y=4

 ________ If the mean temperature in Phoenix is
94∘F and is expected to increase by 0.5% annually, what will be the predicted mean temperature in 20 years?
98.8∘F 
94.5∘F 
118∘F 
105∘F

 ________ For the following values of an exponential function, what is the common ratio? (0,2.5); (1,2.97); (2,3.54); (3,4.2); (4,5.01)
 0.84
 2.5
 1.19
 0.47
 ________ What is the result of
7.8×10−3−4.6×10−4 ?
3.2×10−1 
3.2×10−7 
73.4×10−3 
7.34×10−3

 ________ The population of 978 students at a high school depreciates by 8% each year. If this continues, how many students will be in attendance 6 years from now?
 256
 593
 722
 385
Answers to Quiz II
 B
 D
 A
 B
 C
 D
 A
 C
 D
 B
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Date Created:
Jan 16, 2013
Last Modified:
Jan 14, 2015
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