Which number is not in scientific notation? A. 7.8 • 10^6
B. 1.45 • 10^-7
C. 0.33 • 10^-15
D. 9• 10^19

What kinds of numbers have an odd number of factors?

Me! 50 points! why does when we come home, our door is unlocked and there is grease on the door knob, me solve this , and i don't know what category this goes under

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges