ALEKS Arithmetic and Number Sense 2

Question 1

Which number is a prime number?

Accepted Answer

37

Answer

37 is prime because it has no divisors other than 1 and itself.

Question 2

What is 4³ (4 to the third power)?

Accepted Answer

64

Answer

4³ = 4 × 4 × 4 = 64.

Question 3

Order these from least to greatest: 0.6, 3/5, 0.59, 5/8

Accepted Answer

0.59, 0.6, 3/5, 5/8

Answer

Converting all to decimals: 0.59, 0.60, 0.60, 0.625 — so the order is 0.59, 0.6, 3/5, 5/8.

Question 4

What is the greatest common factor (GCF) of 36 and 48?

Accepted Answer

12

Answer

The GCF of 36 and 48 is 12 because 12 is the largest number that divides both evenly.

Question 5

A recipe calls for 2/3 cup of sugar. If you triple the recipe, how much sugar do you need?

Accepted Answer

2 cups

Answer

Triple 2/3: 3 × 2/3 = 6/3 = 2 cups.

ALEKS - Assessment and Learning in Knowledge Spaces Practice Test