A^8 * b^12
The exponent 4 is distributed to the other exponents within the parenthesis by multiplication.
a^2*4 * b^3*4
a^8 * b^12
It would be 67,437,000,000 since the eight in 67,436,(8)28,104 rounds the 6 up to a 7.
They are intersecting lines if they are not parallel so the other option is that they are intersecting.<span />
