W r i t e 0 . 0 0 4 0 6 i n s c i e n t i f i c n o t a t i o n

What is the slope of a line that is perpendicular to y = 3x + 1

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.

In a column proof the right column states your reasons