Is 4.375 times 10 to the -8 power a scientific notation

Choose all that apply. select all of the fees a credit card may have. annual fee apr balance transfer fee cash advance fee late fee overdraft fee over-the-limit fee

If i purchase a product for $79.99 and two accessories for 9.99 and 7.00 how much will i owe after taxes applies 8.75%

Which expression represents the total perimeter of her sandwich, and if x = 1.2, what is the approximate length of the crust?