math

posted by .

Simplify each expression blow:
(a). 18.5 - (4.8 + 0.2)² + 4.1  2=

(b). 11.35 + (0.2  3.5 )² - 3.7=

©. On a business trip, Jason bought the following amounts of gasoline: 15.4, 12.2, 13.8, and 10 gallons (gal). How much gasoline did he purchase on the trip?

(d). If Jason paid for the above purchases of gasoline, the amounts of $42.95, $34.05, $38.50, and $27.90 with two $100 bills. How much cash does he have left?


(e). Multiply the numbers without a calculator: 3.75  0.73 =

Problem #8.

(a). 1.257 x 10²=

(b). Round the number 23.5724 to two decimal places.

(c). Round the number 2.5976 to the thousandths.


(d). 7² + 9²  10²=

(e). We find the circumference of a circle by multiplying the diameter of the circle by 3.14. If a circle has a diameter of 4.2 ft. What is its circumference, to the nearest hundredth of a foot.

Problem #9.

(a). Divide: 4.983  1,000

(b). Divide: 523  105

(c ). A street improvement project will cost $58,350, and that cost is to be divided among the 100 families in the area. What will be the cost to each individual family?

(d). Find the decimal equivalents of the common fraction . Round to the thousandths place value.

(e). The area of a whole circle is 3.14 multiply the square of its radius. Find the area of a semicircle (half of a circle) of radius R=2.

Problem #10.
(a). Write the decimal 0.235 as common fraction or mixed numbers. Simplify your answer.

(b). Write the decimal 2.25 as a mixed number. Simplify your answer

(c). Insert < or > to form a true statement. 0.124 ______

(d). Which of the numbers and terminate and which repeat. Explain your answer.

(e). A baseball team has a winning percentage of 0.275. Write this as a fraction in simplest form.

  • math -

    I don't think there is much of a chance you will find a volunteer here to do your test for you. If you have a specific q

  • math -

    I don't think there is much of a chance you will find a volunteer here to do your test for you. If you have a specific question about it, ask.

  • math -

    Round the number 23.5724 to two decimal places

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. PHYSICS

    The density of gasoline is 730 kg/m^3 at 0'C. One gallon of gasoline occupies .0038 m^3. Gasoline's volume expansion coefficient is .00096'C ^-1. How many kilograms of gasoline are obtained when 9 gallons of gasoline are bought @ 0'C …
  2. Chemistry

    In a saturated solution of silver phosphate, the concentration of silver ion is 4.5 x 10^-4 mol/L. The Ksp of silver phosphate would be which of the following?
  3. Chemistry

    In a saturated solution of silver phosphate, the concentration of silver ion is 4.5 x 10^-4 mol/L. The Ksp of silver phosphate would be which of the following?
  4. chemistry

    The solubility of Fe(OH)2 is 3.00  10-3 g in 2.00 liters at 18°C. What is its Ksp at 18°C?
  5. science

    4. If the same two dust particles have -1.0  10-10 C of charge on one, and +3.2 C  10-10 C on the other, what is the force between them now?
  6. chemistry

    8). What is the pH of a fruit with a [–OH] = 3.2  10–9 M –OH?
  7. Physics

    A 50-kg satellite circles the Earth in an orbit with a period of 120 min. What minimum energy is required to change the orbit to another circular orbit with a period of 180 min?
  8. maths

    Saudi Arabia has proven oil reserves of 2.63  1011 barrels. Kuwait has proven oil reserves of 9.78  1010 barrels. Canada has proven oil reserves of 1.789  1011 barrels. What are the combined proven oil reserves …
  9. Chemistry 101

    The mileage for a motorcycle with a fuel tank capacity of 22 liters is 35 miles per gallon. The density of gasoline is 0.74 g/cm^3.(dimensional analysis problem) a). How long a trip, in KM can be made on a full tank of gasoline?
  10. Calculus- Reiny

    Thanks for the help, but do you understand what Im suppoosed to graph on 2D d) Use a graphing calculator to sketch the graph of y = V(x). Use the viewing window [0, 24, 4] by [-2500, 4000, 500]. Then use the 2 nd – TRACE – maximum …

More Similar Questions