TEAS Math: Numbers and Operations 5

Question 1

A nurse earns $28.50 per hour and works 36 hours per week. What is her gross weekly pay before taxes?

Accepted Answer

$1,026.00

Answer

$28.50 × 36 = $1,026.00.

Question 2

What is the least common multiple (LCM) of 6, 8, and 12?

Accepted Answer

24

Answer

The smallest number divisible by 6, 8, and 12 is 24.

Question 3

A student scored 78, 85, 91, and 72 on four tests. What score must she earn on the fifth test to achieve an average of 84?

Accepted Answer

94

Answer

The total needed is 84 × 5 = 420; current total = 326; 420 − 326 = 94.

Question 4

Expressed in scientific notation, what is 0.00047?

Accepted Answer

4.7 × 10⁻⁴

Answer

Moving the decimal 4 places right gives 4.7 × 10⁻⁴.

Question 5

A bottle contains 750 mL of solution. If 35% of it has been used, how many mL remain?

Accepted Answer

487.5 mL

Answer

65% remains: 0.65 × 750 = 487.5 mL.

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