i do not know what to do about the density information

i do not know what to do about the density information

The diameter of the sun is 1.4 x 10^11 cm, and the distance to the nearest star, Proxima Centauri, is 4.3 ly. Suppose you want to build an exact scale model and you are using a ball of 30 cm in diameter...

Help Converting...Also steps used to obtain answers please. a. 7,000 centigrams to kilograms b. 31,000 milligrams to dekagrams c. 6,900 kilograms to decigrams d. 42,500 decigrams to...

convert and solve

I am very confused about this topic can someone possibly help me?

A ferris wheel has 16 seats and a diameter of 60 feet. The wheel lets off the passengers is one seat, and a hen revolvs until the next seat is at the platform. Approximately how far does each...

unit conversion

AldI sells a 16 pound sack of potatoes for $5.67. What is the unit rate?

We have two vehicles A:old truck that does 17 mpg (13.84l/100km) and B:old car that does 47 mpg (5.00l/100km) We are looking to replace one of these vehicles with a new one (of...

100cm^3 to m^3

how many liters to add 10 inches to 29.5 x 19.7 x 5 ft pool?

23.7mi/hr meters/sec? What would the time of his 100m race be?

Here are the conversion factors.. (1lb = 454 g, 1 ft = 12 in, 1 in = 2.54 cm, 1cm^3 = 1mL) 0.0420 lbs/ft^3 (454g/1lb)(1^3 ft^3/12^3 in^3)(1^3 in ^3/2.54^3 cm^3)(1^3 cm^3/...

Please...

.00012 s to ns please explain and show work

200 meters in 21.69sec m/s? mi/hr?

I was given this worksheet in class and my professor refuses to explain it to us. I need help!! For the given sample: Wooden cube (rectangular). Measure its mass in grams...

A mural will be painted on a wall that is 63.5 inches high and 7 yards long. The wall also has two windows that are 2.5 feet squared each. How much surface area will be painted? I...

You were on a trip through Ireland in a beat-up rental that gets 22.6 miles per gallon but only while maintaining average a speed of around 80.3 km/hr. How much, in $U.S. dollars, will...

Hi Wyzanters! I'm having a hard time to solve these questions. It's for my chemistry and I don't have any idea on how to solve for Celsius, Farenheit and Kelvin temperature. It's a conversion and...