The six is the first after the decimal point, so it corresponds to the 3.
-5674
5678 is only one 4-digit number. If you're willing to move the digits around to different positions, you can make 23 more.
5678 x 5678 = 32239684
Six - assuming 0123 does not count ... 1234 2345 3456 4567 5678 6789
Since the 8 is in the units column, the 8 simply represents 8 units or 8.
-5674
5678 \
5678 is only one 4-digit number. If you're willing to move the digits around to different positions, you can make 23 more.
24
5678 x 5678 = 32239684
It is 5680 because 8 in 5678 is 5 or higher so it rounds up to 80 in 5680
5678*1 = 5678
Six - assuming 0123 does not count ... 1234 2345 3456 4567 5678 6789
72% of 5678 = 5678/100 x 72 = 4088.16
5678 + 69022 = 74700
42+5678 = 5720
5678 + 7467 = 13,145