Answer:
the first one and the third one
Step-by-step explanation:
We can add or subtract integer. We can also subtract like terms.
1/8
If you can make the bottom numbers (denominator) The same that you can use subtract the top numbers like normally
Answer:
102,100 decigrams
Step-by-step explanation:
(564 dag + 458 dag) = 1021 dag
1021 dag × 100 dg/dag = 102100 dg
The two cases together weigh 102,100 decigrams.
_____
1 dag = 10 g
1 dg = 0.1 g