What is the expanded form of 720, 080 with exponents

How do I do it it's to difficult for me

Phytoremediation is the use of plant growth to purify pollutants from soil, water, or air. Suppose that a crop of brake ferns can remove 15 milligrams (mg) per square meter of a particular pollutant from the soil in 20 weeks.

The length of a rectangle is 40 cm longer than it's width. The perimeter of its rectangle is 120 cm. Find it's width and length

The life expectancy of a circulating coin is 20 years. The life expectancy of a circulating dollar bill is only 1/20 as long. Find the life expectancy of circulating paper money

Angles that are congruent and supplementary must be a. acute angles. b. obtuse angles. c. straight angles. d. right angles.

Is 6 km greater or less than 54,000 mm

There are 12 men and 24 women in a chorus. What percent of the entire chorus is composed of women?

What is the equation of the graphed line? (0,7) and (8,-2). then what is it in in slope-intercept form?

Drusilla replaces the light bulb in the hall closet every 9 months and replaces the air filter every 6 months she just replaced both items this month after how many months will she replace both the light bulb and the air filter?

The formula for the volume of a cone is v=1/3 pi times r squared h where v represents the volume, r represents the radius of the base, and h represents the height.