Simplify 4^2 * 4^5 in scientific notation

Maggie lives on a street with 10 houses. The houses are numbered 1 to 10. If Maggie adds up all the house numbers that are lower than hers, the total is three times her actual house number. What number is Maggie's house?

40 is 50 percent of which number

In this triangle, what is the value of x? Enter your answer, rounded to the nearest tenth, in the box.

Find the GCF of 39 and 65 using lists of factors

During the great recession that began in January 2008, average weekly claims for unemployment were 420,000. The normal weekly average during full employment is 122,000. How many more people were filing for unemployment in January 2008?

On Wednesday, a local hamburger shop sold a combined total of 372 hamburgers and cheeseburgers. The number of cheeseburgers sold was two times the number of hamburgers sold. How many hamburgers were sold on Wednesday?

Ronna has volleyball practice every 4 days. Ronna also has violin lessons every 10 days. She has both activities today after school. When will she have both activities again on the same day?

Find the sum. express your answer in simplest form 8m^2-6/n+3 + 9m^2-4/n+3

Given that lines a and b are parallel and that m∠8 = 108°, find m∠3.

Your teacher gives you the problem 6 1/5. question is write a story problem to represent 6 : 1/5.