Which answer is the best explanation for how to set up this problem? 35.4 – 7.01 = ? A. Put a zero after the 4 in 35.4 and align the 7 in 7.01 with the 5 in 35.4. B. Align place values so that the 4 in 35.4 is aligned with the 1 in 7.01. C. Put a zero between the decimal point and the 4 in 35.4 and align place values. D. Align place values so that the 4 in 35.4 is aligned with is aligned with the 7 in 7.01.

Respuesta :

A. Put a zero after the 4 in 35.4 and align the 7 in 7.01 with the 5 in 35.4.

The decimals always need to line up. It should look like this on paper:
 
                                   35.40
                                  -  7.01
                                ________
                                   28.39