5.4x10^2/1.2x10^-1

Scientific Notation

A body was found at 6a. m. In a warehouse where the temperature was 50'f. The medical examiner found the temperature of the body to be 66'f. What was the approximate time of death? Use Newton's law of cooling, with k=0.1947.

A rectangular container 20 cm long and 15 cm wide contains sone water. When an iron ball was put in the water level rose by 3cm, find the the volume of the iron ball

Every Saturday, Heather goes mountain biking. It takes Heather 32 minutes to bike 6 miles. The distance is a function of the time. Which is a reasonable range in the context of the problem? 1. 0 ≤ f (t) ≤ 6 2. 0 ≤ f (t) ≤ 32 3. 6 ≤ f (t) ≤ 32 4.

Alex stocks up for winter. He buys 24 cans of vegetables. He pays 80 cents per can for tomatoes and 40 cents per can for corn, for a total cost of 12.80. How many cans of corn does he buy?

What is the value of x in 8/9x = 4/3

A motorboat travels 448 kilometers in 8 hours going upstream and 516 kilometers in 6 hours going downstream. What is the rate of the boat in still water and what is the rate of the current?

Jack made 50% more smoothies than yesterday. If he made 30 smoothie today how many did he make yesterday?

Mr. Ramirez has enough money to fence one of his rose gardens, how many feet of fencing will he need if both gardens have the same perimeter

David saves $175 each month for the first 5 months. Then he saves $225 each month for the next 5 months. What is the average amount that David saves each month

Which of the following equations is not equivalent to the others? y = - 4 + 3 x y = - 3 x + (-4) y = - 3 x - 4 y = - 4 - 3 x