Somebody help please!!

89.04$

Step-by-step explanation:

1) First you need to find tax. 6%=6/100 so you need to multiply 6/100*84/1=84*6/100*1=504/100= 5 and 4/100. 5 is 5$ and 4/100 out of dollar is 4 cents or 0.04$ so 5$+0.04$=5.04$

2)  Just add $ 84.00 to 5.04$= 89.04$

89.04

Step-by-step explanation: since the sales tax is 6% simply multiply 84 by 1.06 not 0.06 0.06 is a sale not tax so 1.06 is the number you multiply by to get 89.04