What is the difference (9x10^5) - (4x10^10 in scientific notation?

The sum of a number, half the number, and 5 times the number

A plant grows 10 cm each week. The plant is 60 cm now. how many weeks will it take to reach 1 meter

At a grocery store a four-pack of yogurt costs $3.95. How much does each container cost?

Which of the following equations represents the greatest value of x? Equation 1 x^2 = 17, Equation 2 x^2 = 26, Equation 3 x^3 = 64, Equation 4 x^3 = 27 Equation 1 Equation 2 Equation 3 Equation 4

George is given 2 circles circle o and circle x as shown. if he wants to prove that the two circles are similiar, what would be the correct first step in his proof

What is the end behavior of the function f (x) = 2x^4 + 3x^3 - 9x^2 + 65x - 586?

I'm trying to solve 2x^2+3x=2

Suppose that a company claims that its batteries last 240 hours on average. It took many large samples, and each time the mean number of hours was outside the 95% confidence interval.

Sam added two fractions together and got 7/8 as the answer. Write down two fractions that Sam could of added.

A sign language club made $627.50 from selling popcorn at a festival. The popcorn cost the club $95.00. Which expression represents the amount of money that was raised for each member of the club?