What is 0.000000783 written in scientific notation?

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What is the answer to - 1/2 - (-5/9)

Many major-league baseball pitchers can throw the ball at 90 miles per hour. At that speed, how long does it take a pitch to travel from the pitcher's mound to home plate, a distance of 60 feet 6 inches?

Explain how you can find the area of a polygon

Simplify the expression - 6^2 x - 6^5

Eva makes a few dozen cupcakes and sells them for $8 a dozen. Which function represents the relationship between the money Eva earns, m, and the number of cupcakes she sells, c? A. f (c) = c * 8. B. f (m) = c * 8. C. f (c) = m * 8. D. f (m) = m * 8.

The rectangle below has an area of x^2-9 square meters and a width of x-3 meters. What expression represents the length of the rectangle?

Mr. Haney has 11 coins in dimes and quarters. The value of his coins is $2.15. how many dimes does he have?

Different varieties of field daisies have numbers of petals that follow a fibonacci sequence. Three varieties have 13,21, and 347 petals. How many petals do the next two varieties of field daisy have? a. 42, 55 b. 47,60 c. 42,50 d. 55,89

A certain hybrid car can travel 1 4/11 times as far as a similar non hybrid car can, each on one gallon of gasoline. If the non hybrid car can travel 33 miles per gallon of gasoline how far can the hybrid travel on 4/5 gallon of gasoline?

What is the value of 6x+4x+8, when x=7