How do you write 8.45 * 10-5 in standard form

Two angles are supplementary. They have measures of (7x + 2) ° and (3x - 2) °, respectively. What is the value of x?

use the distribtive property to write an expression that is equivalent to the expression below, 5{2x+7}

Michael Johnson ran the men's 200-meter race in nineteen and thirty-two hundredths seconds. Which number shows the time?

Emily and Tyson each surveyed 10 people in a community. The people were asked how many years they have lived in their current homes. The table shows mean, median and range for the data from each survey.

A sequence is defined recursively using the equation. If f (1) = 100, what is f (6) ?

If a sequence is defined recursively by f (0) = 2 and f (n + 1) = - 2f (n) + 3 for n ≥ 0, then f (2) is equal to

Vertex of - 2 (x+3) ^2+7

Boat 1 leaves a dock headed due west at 8:00 AM traveling at a speed of 12 mph. At the same time a boat 2 leaves the dock headed due south traveling at a speed of 24 mph.

A Mathematics test was taken by 4 boys and 6 girls. The mean marks of the 10 students was 49. a) Calculate the total marks obtained by 10 students. b) If the mean marks of 6 girls was 51, calculate the mean marks of 4 boys.

Find an equation using absolute value that has the given solutions, a. two solutions, 22 and 22 b. two solutions, - 51 and 5 c. two solutions, - 9 and 39 d. one solution, 18