BRAINLIEST PLEASE HELP

What is the y-intercept of the graph of the equation y=3(2^x)

Find the value of 1715⋅211.though these numbers aren't quite as nice as the ones from the example or the previous part, the procedure is the same, so this is really no more difficult. give the numerator followed by the denominator, separated by a comma.

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg