Multiply \( (4,200)(61,000)(290) \). Write the result in scientific notation to the nearest hundredth

Если Джон купил 3.5 кг яблок и 2.25 кг груш, сколько всего фруктов он купил?

The price of a gallon of orange juice went from \( \$ 2.75 \) to \( \$ 4.80 \). What is the percent of increase? Round to the nearest percent. \( 57 \% \)

After a busy day at work, you grab a few items from Target and plan to relax for the evening. As you're checking out, you notice the screen at the register is glitching out and you can't see how much your items cost. You do see that your sales tax for the entire purchase is \( \$ 3.27 \). The sales tax in your state is a flat \( 6 \% \). What is the total cost of your items after sales tax is applied? Round your answer to the nearest cent. (Hint. As a first step, calculate the total cost of your items before sales tax is applied).

You are looking at tickets for the next Taylor Swift concert that is sure to sell out the closest NFL stadium to you. For the seats you're considering, the base price is \( \$ 550 \). If Ticketmaster charges fees equal to \( 35 \% \) of the base price of the ticket, how much will you be paying in fees? Round to the nearest cent.

\( \begin{array}{l}A=(-1)+(-1)+(-1)+(-1)+(-1) \\ B=(-1)-(-1)-(-1)-(-1)-(-1) \\ \text { determine } A+B\end{array} \)