Question

3.) 0.0 + \underline{quadquad} = 4.9

Explanation:

Step1: Let the unknown number be \( x \)

The equation is \( 0.0 + x = 4.9 \)

Step2: Solve for \( x \)

Since adding 0.0 to a number doesn't change the number, \( x = 4.9 - 0.0 = 4.9 \)

Answer:

\( 4.9 \)