How to write 0.0000003105 in scientific notation?

I have a fair six sided dice numbered 4,9,12,16,20 and 24 what is the probability of rolling a multiple of 4

The football team is running a jackpot in which the prize will start at $2500 for the first game, and then increase $500 each game if there is no winner. If there are no winners, find the value of the jackpot at the end of their 16-game season.

23.5% of 128 Round to the nearest tenth if necessary

What is the volume of an oblique cone with a radius of 4 and a height of 8.5

What is two fraction between 3/5 and 4/5

Which way is clockwise and which way is couter clock wise

A random sample of 100 students was taken. Of the 100 students, 50 liked vanilla ice cream, 37 liked chocolate ice cream, and 13 liked strawberry ice cream. If the student population is 1200, how many students like chocolate ice cream? A. 444 B.

Inequality 2x > x + 7 is equivalent to?

What is the result when the number 39 is decreased by 29%?

30. What is the selling price of an article that lists at $1,500 subject to discounts of 40%, 25%, and 10%? (You may use the method described in "Check Your Selling Price.") 31.