ACT Pre-Algebra

Multiply:
(3.4 x 10⁵)(1.2 x 10^-3)

• 4.08 x 10^-8
• 4.8 x 10²
• 4.08 x 10²
• 4.08 x 10^-15

Tags

CCSS.8.EE.A.4

How would you write -5.6 x 10^-3 in standard form?

• 0.0056
• -5,600
• 0.00056
• -0.0056

Tags

CCSS.8.EE.A.3

Solve:
(6 x 10⁶) / (2 x 10³)

• 12 x 10³
• 3 x 10⁹
• 1.2 x 10⁴
• 3 x 10³

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.3

CCSS.6.EE.A.4

Find the 32nd term of this sequence.
34, 37, 40, 43, ...

• 32
• 64
• 127
• 356

Tags

CCSS.HSF.BF.A.2

The regular price of a scooter is $65.50. It is on sale for $52.40. What is the percent decrease from the regular price to the sale price of the scooter? 

• 35%
• 25%
• 30%
• 20%

Tags

CCSS.6.RP.A.3C

A student earned a grade of 80% on a math test that had 30 problems.  How many problems on this test did the student answer correctly?

• 17 problems
• 24 problems
• 20 problems
• 18 problems

Tags

CCSS.6.RP.A.3C

80% of what number is 32?

• 40
• 250
• 26
• 4

Tags

CCSS.6.RP.A.3C

Last night, the Knicks made 12 free throws. If their free throw percentage is 75%, how many free throws were attempted? (READ CAREFULLY!)

• 9
• 11
• 13
• 16

Tags

CCSS.6.RP.A.3C

About 13 out of 20 homes have a personal computer.  On a street with 60 homes, how many would you expect to have a personal computer?

• 7 homes
• 39 homes
• 73 homes 
• 40 homes

Tags

CCSS.7.RP.A.3

Of the 50 fish John caught from the lake, 14 were trout.  The estimated population of the lake is 7,500.  About how many trout would you expect to be in the lake?

• 2,100 trout
• 2,000 trout
• 2,200 trout
• 2,300 trout

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3