The mass of Mars is about 6.421x10^20 metric tons. The mass of the sun is about 1.998x10^27 metric tons. About how many times the mass of Mars is the mass of the sun? Give your answer in scientific notation.

susan is arranging coffee mugs on shelves in her shop. she wanta each shelf to have the same number of mugs. she only wants one color of mug on each shelf.

What value of m will make this expression equal to 6.35

Aa'ida is ordering laminate flooring to install in a number of condominium kitchens she's remodeling. She has to remodel 10 total kitchens each measuring 8 feet * 10 feet. Each box of the laminate she'll be purchasing covers 1 square meter.

A store is having a sale where everything is discounted 30% find the discount and the sale price if a customer buys an item that normally sells for 365

From a sample of 50 incinerators in a major city. of the 50 samples, only 18 met an environmental standard for the concentration of a hazardous compound. can it be concluded that fewer than half of the incinerators in the city meet the standard?

How many strings can be formed using the letters a, b, c, d, e, f, with each letter used once, that that start with the letter f?

A type of green paint is made by mixing 2 cups of yellow with 3.5 cups of blue. Find a mixture that will make the different shade of green that is More yellow

Simplify by using order of operations: 4 + (9∙2) : (4 - 1) - 4

Which states the following expression: (2 x 3) + (2 x 9) A) the product of two and three and nine B) the sum of two and three and two and nine C) the total of two times three and two times nine D) the product of two times three and two times nine

Five times a number added to - 4, subtracted from twice the sum of eight times the number and 7