Planet earth has a mass of 5.9726x10 to the 24th power kilograms. and although 70% of the earths surface is made of water the waters mass is only 5x10 to the negative fourth power percent of the earths total mass. use scientific notation to estimate the mass of the planets water

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.

What is the result of the following division?