Evaluate using your calculator, giving at least 3 decimal places: \( \log (680)= \)

2. Sergio purchased 4 items for \( \$ 1.50 \) each. Sales tax was \( 8.25 \% \). What (4, 11) was the total price? 3. At back-to-school night, \( \frac{1}{2} \) of the algebra students came, and \( \frac{1}{3} \) of (5) the pre-algebra students came. If there are 62 algebra students and 66 pre-algebra students, how many of the students came to back-to- school night? 4. Betsy correctly answered 19 of the 25 trivia questions. What percent of (48) the questions did she answer correctly?

Current Skill \( \$ \) The sales tax rate is \( 4 \% \). If Sid buys a rusty car priced at \( \$ 29 \), what is the tax amount? Round your answer to the nearest penny.

Question 21 A dealer bought some computers for \( \$ 12,000 \). The computers were sold for \( \$ 18,000 \) making \( \$ 150 \) on each computer. How many computers were involved?

What is the absolute value of \( |-1| \) ? \( \begin{array}{l}\text { a } 0 \\ \text { b } 1\end{array} \) c 2

Cher wants to buy a comic book that is \( 45 \% \) off. The original price is \( \$ 181 \). To the nearest penny, how much is the discount?