What is each number in scientific notation 500,000,000,000 0.00000000005 answers 5x10^11 5x10^-12 5x10^12 5x10^-11

Need solving this 2nd limit problem.

Does the construction demonstrate how to copy an angle correctly using technology a) yes the distance between points a and f was used to create circle h b) yes the distance between points f and g was used to create circle h c) no the distance between points a and f was used to create circle h d) no the distance between points f and g was used to create circle h

What is the equation of a line that passes through points (0, 4) and (-4,-8)?