Express 4,085 in scientific notation

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

Axel follows these steps to divide 40 by 9: start with 40. 1. divide by 9 and write down the remainder. 2. write a zero after the remainder. 3. repeat steps 1 and 2 until you have a remainder of zero. examine his work, and then complete the statements below.

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2