Answer:

Step-by-step explanation:
Answer:
8
Explanation:
Too lazy to type it all
57.80 - 4.07
= 57.80 - 4.00 - 0.07
= 53.80 - 0.07
= 53.73
Answer:
Step-by-step explanation:
A.
- 5 × (4 + 9) = (5 × 4) + (5 × 9), correct
B.
- 5 × (4 + 9) = (5 × 4) + 9, incomplete, missing 9 x 5
C.
- 5 × (4 + 9) = (5 + 4) × (5 + 9), wrong
Original number is 20, so 4/5= 16