Math Models Unit 1 Quiz 1

How much will fertillzer cost for a field 725 feet by 1,021 feet if one bag covers 10,000 square feet and costs $12.97 per bag?

$972.75

Select the numerical representation for the description. Earnings of ten dollars: _____

+ $10 / $10

Select the numerical representation for the description. A check for two hundred fifty dollars as a withdrawal: _____

- $250

Convert the number to standard form. 7.23 x 10⁻¹⁰

0.000000000723

A used car is for sale for $8,950. If Jenny will pay for the car over a 5 year period, what will be her monthly payment, to the nearest dollar?

$149/month

How much will fencing cost to enclose a field that is 725 feet by 1,021 feet if fencing costs $13.57 per foot?

$47,386.44

Chivi's Mexican restaurant pledges 12% of any food purchased on the third Wednesday of each month to the Cystic Fibrosis Foundation. How much food must be purchased for the donation to be at least $1,152?

$9,600

Select all that apply. The set of real numbers includes _____ and _____ numbers.

- rational - irrational

Order the following numbers from least to greatest: 2.74, 1/9, 4², -2³, 32.5%, -6

-2³, -6, 1/9, 32.5%, 2.74, 4²

Al earns $8.75 per hour and wants to buy a Kindle for $149. About how many hours must he work?

about 17 hours

Convert the number to scientific notation. 89, 970, 303, 001

NOT 89.97 x 10^9

Convert the number to scientific notation. 0.000001019

1.02 x 10⁻⁶

Select the numerical representation for the description. Two thirds of four fifths of a dozen: _____

2/3 x 4/5 x 12

Estimate the following square roots. √15 ≈ _____

3.8

Estimate the following square roots. √53 + √19 ——————- ≈ _____ 2

5.85

Estimate the following square roots. √89 ≈ _____

9.4

Convert the number to standard form. 1.08 x 10⁵

NOT 0.0000108

Give the answer is scientific notation. (3.12 x 10⁸)(5.16 x 10⁻⁶) ——————————— (1.06 x 10⁶)

NOT 1.52 x 10⁸

Give the answer in scientific notation. (2.35 x 10⁻⁵)(1.87 x 10⁷) ———————————- (3.85 x 10⁻⁷)(4.01 x 10¹²)

NOT 2.85 x 10⁻³