What is 221,000,000,000,000,000,000 expressed in scientific notation? a. 2.21 * 1021 b. 2.21E20 c. 2.21E21 d. 2.21E-20 e. 2.21 * 10-21 f. 2.21 * 10-20 g. 2.21 * 1020 h. 2.21E-21

Rearrange the equation so w is the independent variable. -2u+6w = 9

Two pizzas were each cut into sixths Ashraf Drew and Katie shared two pieces equally. how many sixths did each friend get?

How to decompose the number 1548

How do you determine if a given set of measurements works for the side lengths of a triangle? (It should be a number)

Write two word phrases for 45-n

There are eight runners in the 100-meter dash. In how many ways can the runners finish first, second, and third? 1. 72 2. 6 3. 120 4. 336

A contractor was hired to remodel a kitchen. she can complete 3/8 of the kitchen remodeling project in one day. how much of the kitchen is left to remodel after two days?

The function for the cost of materials to make a biscuit is f (x) = four-fifths x + 4, where x is the number of biscuits. The function for the selling price of those biscuits is g (f (x)), where g (x) = 4x + 5. Find the selling price of 15 biscuits.

Lori needs at least 12 liters of water to fill a water cooler. She has a container with 4.55 liters of water, a container with 3.25 liters of water, and a container with 4.85 liters of water. Does she have enough water? Use estimation only to decide.

What improper fractions are equal to 8?