Scrub-a-Dub toothbrushes are $4,00 each. There is a 10% discount, but there is also a 6% sales tax after the discount is applie the new price after tax? Round to the nearest penny.

You multiply the 4.00 by 0.10 to get the 10% discount amount. Then you subtract that from $4.00. Then you multiply that amount by 1.06 to get the total with the 6% sales tax. To get $3.82 rounded to the nearest cent.