Is the number 3.6X100^7 written in scientific notation? Why or Why Not?

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Carmen begins her next painting on a rectangular canvas that is 82.7 cm long and has a area of 8,137.68 cm2. will the painting fit in a frame with an opening that is 82.7 cm long and 95 cm wide? explain

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?