Multiply x to the 3 fourths power times x to the 1 fifth power. (1 point)

Your bases are like:  they are both x.  When you multiply like bases with exponents, you add the exponents together to get the new power.  But you can't add those til you get a common denominator.  That's 20.  So your problem looks like this: which gives you .  That's your answer!