A group of astronomers observed light coming from a star located a distance of 331,000,000,000,000,000,000,000,000 light-years from Earth. What is this distance expressed in scientific notation?

A company's stock was selling at $16 a share. A month later, it was selling at $20 a share. What is the percent increase? [?]%

Ross is analyzing a circle, y^2+x^2=64 and a linear function g (x), will they intersect? X. G (x) -1. - 4.5 0. - 4 1. - 3.

A truck that can carry no more than 7200 lb is being used to transport refrigerators and upright pianos. Each refrigerator weighs 250 lb and each piano weighs 525 lb.

The scale on a map of viginia shows tht 1 inch represents 30 miles. The actual distance from richmond, va to washington dc is 110 miles. On the map how many inches are between the two cities

How do I multiple bigger numbers

Ginger takes 10 nickels to buy some pencils at the school store. How many cents does ginger have to spend?

How to solve the problem 6:8.94

Simplifying Ratios 20:10 30:36 54:12

Write an equation Alice Barbara and Carol or sisters Alice is three years younger than Barbara and Barbara is five years younger than Carol together the sisters are 68 years old how old is Barbara let b equal Barbara

There are three options for fans purchasing a band's new release CD. They can purchase the CD, a premium CD bundle, or a deluxe CD bundle. A CD costs $15. A deluxe CD bundle costs the same as one CD and 2 premium CD bundles.