Since we have a fraction being multiplied by the number 10, we need to make 10 a fraction. So first thing you should do is have 10 in the numerator and 1 in the denominator:

Now, you are going to multiply 3 with 10 and 4 with 1:



So, you should get:

Answer:
Fraction:

Decimal:

Good luck with your studies, I hope this helps!