Which of the following numbers are written in scientific notation? a) 0.641*10^3 b) 2*10^1 c) 9.999 * 10^4d) 4.38 * 5^10

The temperature rose by 11 degrees Fahrenheit today. Write a signed number to represent this temperature change

How do I solve 2.39 x 2.7

What is the measure of each interior angle in a regular 24-gon?

What would - 9 1/2 be as a decimal?

Lunch begins at 11:45 and ends at 12:10. How long is lunch time?

The ratio of guppies to angelfish in a shop is 2 : 3. The number of angelfish was 23the number of goldfish. The shopkeeper decided to replace 14of the guppies with some angelfish.

How many cups of lemonade were sold in all? Write and solve an equation

A 3pack of boxes of juice costs 1.09. A 12 pack of boxes cost 4.49. A case of 24 boxes costs 8.78. Which is the best buy? Explain your reasoning

What is the answer to: 2.8 x 103 x 3.07 x 105 (written in scientific notation) ?

A restaurant orders corn tortillas and flour tortillas. The ratio of the number of corn tortillas to the number of flour tortillas is 2 : 3. What is the ratio of the number of flour tortillas to the total number of tortillas?