2. Name: Jorge Salay Period: 5
23. 35,000,000= 24. 0.0000472=
25. 1,780,000= 1.78*107 26. 0.0000000051= 5.1*109
Write in standard notation.
27. 2.45 * 108= 245000000. 28. 9.9 * 10-5= .000099
29. 4x3 * 3xy2 * 2xy2 is equivalent to:
D a. 9x3y4
b. 9x5y4
c. 24x3y4
d. 24x5y4
e. 24x5y6
30. 4a3 * 5a8 = ?
D a. 9a5
b. 9a11
c. 9a24
d. 20a11
e. 20a24
31. Which of the following numbers is
C the least in value?
a. 0.02 * 104
b. 0.2 * 103
c. 2.0 * 10-2
d. 20.0 * 102
e. 0.002 * 105
32. Which of the following operations will
E produce the largest result when substituted
for the blank in the expression:
5 _______ 2
a. averaged with
b. divided by
c. minus
d. plus
e. multiplied by
3. Name: Jorge Salay Period: 5
33. A group of friends were comparing
C the number of cards in their baseball
card collection. The number of cards
is indicated in the table below.
Friend A B C D E
Number of Cards 30 110 70 200 70
What is the average number of
baseball cards in the collection of the 5
friends?
a. 70
b. 82
c. 96
d. 102.5
e. 120
34. As part of a school report on the
C cost of gasoline, Raquel wants to find
the average cost of purchasing a
gallon of regular unleaded gasoline
from local gas stations. She surveys 4
stations and finds the cost per gallon
of regular unleaded gas from he 4
stations to be $2.45, $2.50, $2.49,
and $2.56, respectively. Using this
data, what is the average cost of
purchasing one gallon of regular
unleaded gasoline from these 4 gas
stations?
a. $2.55
b. $2.53
c. $2.50
d. $2.49
e. $2.45
