Express 342,000,000,000 in scientific notation

A candle is 7 in. tall after burning for 1 h. The same candle is in. tall after burning for 4 h. How tall will the candle be after burning for 6 h?

What is the answer to m/5 = 10?

240 seventh graders and two-thirds of the students participate in after-school activities How many students participate in after-school activities

The ratio of men to women in a certain factory is 3 to 4. There are 210 men

How is 9.6 irrational

Edith wants to plan a dinner for one day of the week. She decides to put all the days of the week once into a hat. If she chooses one day a random, what is the probability that she chooses a weekday?

What is the lcd for the factor 1/3 and 2/9?

98 is what percent of 2487

Aaron had seven times as many sheep a beth, and both together they had 608. How many sheep did each have

A number cube us rolled 450 times. The number 3 comes up 67 times. (a) What is the theoretical probability of rolling a 3? Write your answer as a fraction in simplest form.