What is the number three thousand eighty expressed in scientific notation?

Find parametric equations for the line tangent to the curve of intersection of the surfaces at the given point. surfaces: xsquared2plus+2yplus+2zequals=1212 yequals=33 point: left parenthesis 1 comma 3 comma five halves right parenthesis

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check

Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.