Which number is written in scientific notation?

a) 0.84 x 106

b) 3.4 x 1002

c) - 5 x 10-12

d) 7.8 x 10-5

Solve : 2/x + 3/8=5/x, and Simplify the expression : - 3/4 (30z)

What is the answer to ... 7x-18=x

Which equation could be used to solve the problem? The Jensens drove 400 miles in 8 hours. How many miles per hour did they drive (m) ? A. m = 8 hours : 400 miles B. m = 400 miles • 8 hours C. m = 400 miles : 8 hours D. m = 400 miles + 8 hours

Which is a reasonable estimate for 9% of 84?

13 X 13 What is the answer

3^x = 1/9 what does x equal?

Six minus 4X equals 6X minus 8X + 2

Simplify. 5y (4x - 3z) 20xy - 3z 4x - 15yz 20xy - 15yz 54xy - 53yz

A proportional relationship is formed when y=16 and x=-4 what is the value of x when y=4?

Find the slope and y-intercept of the line. y = x - 5 A) slope: - 5, y-intercept: 1 B) slope: - 1, y-intercept: 5 C) slope: 5, y-intercept: - 1 D) slope: 1, y-intercept: - 5