4 teaspoons is how many milliliters?\nhint: 1 tsp ≈ 4.9 ml\nround your answer to the nearest tenth.

4 teaspoons is how many milliliters?\nhint: 1 tsp ≈ 4.9 ml\nround your answer to the nearest tenth.
Answer
Explanation:
Step1: Set up the conversion
We know that (1\ \text{tsp}\approx4.9\ \text{mL}). Let (x) be the number of milliliters for (4) teaspoons. We use the proportion (x = 4\times4.9).
Step2: Calculate the value
[ \begin{align*} x&=4\times4.9\ x& = 19.6 \end{align*} ]
Answer:
(19.6)