Prealgebra 2e

# Practice Test

Prealgebra 2ePractice Test

### Practice Test

406.

For the numbers $0.18349…,0.2–,1.67,0.18349…,0.2–,1.67,$ list the rational numbers and irrational numbers.

407.

Is $144144$ rational or irrational?

408.

From the numbers $−4,−112,0,58,2,7,−4,−112,0,58,2,7,$ which are integers rational irrational real numbers?

409.

Rewrite using the commutative property: $x·14=_________x·14=_________$

410.

Rewrite the expression using the associative property: $(y+6)+3=_______________(y+6)+3=_______________$

411.

Rewrite the expression using the associative property: $(8·2)·5=___________(8·2)·5=___________$

412.

Evaluate $316(163n)316(163n)$ when $n=42.n=42.$

413.

For the number $2525$ find the additive inverse multiplicative inverse.

In the following exercises, simplify the given expression.

414.

$34(−29)(43)34(−29)(43)$

415.

$−3+15y+3−3+15y+3$

416.

$(1.27q+0.25q)+0.75q(1.27q+0.25q)+0.75q$

417.

$(815+29)+79(815+29)+79$

418.

$−18(32n)−18(32n)$

419.

$14y+(−6z)+16y+2z14y+(−6z)+16y+2z$

420.

$9(q+9)9(q+9)$

421.

$6(5x−4)6(5x−4)$

422.

$−10(0.4n+0.7)−10(0.4n+0.7)$

423.

$14(8a+12)14(8a+12)$

424.

$m(n+2)m(n+2)$

425.

$8(6p−1)+2(9p+3)8(6p−1)+2(9p+3)$

426.

$(12a+4)−(9a+6)(12a+4)−(9a+6)$

427.

$0808$

428.

$4.504.50$

429.

$0÷(23)0÷(23)$

In the following exercises, solve using the appropriate unit conversions.

430.

Azize walked $412412$ miles. Convert this distance to feet. $(1 mile=5,280 feet).(1 mile=5,280 feet).$

431.

One cup of milk contains $276276$ milligrams of calcium. Convert this to grams. $(1 milligram=0.001 gram)(1 milligram=0.001 gram)$

432.

Larry had $55$ phone customer phone calls yesterday. The calls lasted $28,44,9,75,and5528,44,9,75,and55$ minutes. How much time, in hours and minutes, did Larry spend on the phone? $(1 hour=60 minutes)(1 hour=60 minutes)$

433.

Janice ran $1515$ kilometers. Convert this distance to miles. Round to the nearest hundredth of a mile. $(1 mile=1.61 kilometers)(1 mile=1.61 kilometers)$

434.

Yolie is $6363$ inches tall. Convert her height to centimeters. Round to the nearest centimeter. $(1 inch=2.54 centimeters)(1 inch=2.54 centimeters)$

435.

Use the formula $F=95C+32F=95C+32$ to convert $35°C35°C$ to degrees $FF$