Which expression is not equivalent to 1/343

A 7^4 * 7^-7

B 7^7 * 7^-10

C 7^-2 * 7^-5

D 7^-5 * 7^2

Describe a situation where it is easier to use decimals than friction, and explain why.

The mass of a carbon atom is 1.994 * 10-23 grams. The mass of a hydrogen atom is 1.67 * 10-24 grams. What is the difference of their masses? 0.324 * 10-24 grams 1.827 * 10-23 grams 1.827 * 10-24 grams 0.324 * 10-23 grams

Serena has 6,783 seeds to plant in her vegetable garden. She will plant 119 seeds per row. How many vegetables will she have?

Mark noticed that his bus is late to school 5% of the time. He wants to design a spinner he can use to simulate the situation and determine the probability that the bus will be late three times next week.

What are 3 consecutive integers who's sum is 396?

The owners of a motel in Florida have noticed that in the long run, about 40% of the people who stop and inquire about a room for the night actually rent a room.

What is the hardest part / subject in math?

The graph shows a line joining two complex numbers. What are the two complex numbers?

Translate the sentence into an equation. Five more than the quotient of a number and 8 is 2. Use the variable for the unknown number.

A garden supply store sells two types of lawn mowers. The smaller mower costs $249.99 and the larger mower costs $329.99. 30 total mowers were sold and the total sales for a given year was $8379.70.