The mass of the sun is 2,000,000,000,000,000,000,000,000,0 00,000 kilograms.
express this number in scientific notation.

Write the rational number in lowest terms 99/-15

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).