The mass of a an atom of helium is 6.65 x 10^-24. Use scientific notation to express the mass of 250 helium atoms.

A) 1.6625 x 10-21

B) 1.6625 x 10-22

C) 1.6625 x 10-24

D) 1.6625 x 10-26

A wedding ring costs £7000. Work out the price after a 2.5% price increase.

Suppose you deposit $500 into an account earning 7.8% interest compound annually. what will your balance be after 5 years?

mason made 5 quarts of salsa. which of the following can be used to find the number of cups of salsa mason made?

What is larger, 5/8 or 7/15's?

Pipe A is a inlet pipe filling the tank at 8000l/hr and pipe B is the outlet pipe which empties the tank in 3 hours. the capacity of the tank is

Mrs. Johnson's first test's dаta: 59, 22, 87, 44, 96, 38, 70, 85, 79. The median is labeled Q2 for the 2nd quartile. What is the Q2 for Mrs. Johnson's first test?

What is the answer for this answer 4 * (8 - 3) = (4 * 8) - ( * 3)

A Labrador Retriever weights 48 pounds. A Huskie weighs 775 ounces. Which dog weighs more? By how many ounces?

Talia grouped the terms and factored out the GCF of the groups of the polynomial 15x2 - 3x - 20x + 4. Her work is shown below. 1. (15x2 - 3x) + (-20x + 4) 2.3x (5x - 1) + 4 (-5x + 1) Talia noticed that she does not have a common factor.

G (X) = 6X - 3 What is g-1 (9)