Answer:
ONES
Step-by-step 'explanation':
Because if you count them from right to left, 3 is in the 'ones' place value while 4 is 'tens'.
4= tens
3= ones
4 x 10 = 40
3 x 1 = 3
40 + 3 = 43
HOPE THIS HELPS.
Have a nice day.
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