.41+21.4+6.3+280= how do they get the answers
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.41+21.4+6.3+280= how do they get the answers
.41+21.4+6.3+280= how do they get the answers
Add them up
If you put them in columns (using zeroes to pad the left and the right)
000.41
021.40
006.30
280.00
1. Add the far right column: 1 + 0 + 0 + 0 = 1 Nothing to carry.
2. Add the next column to the left: 4 + 4 + 3 = 11. Keep the 1, carry the 1 to the left.
3. Add the first column to the left of the decimal point. Start with the 1 you carried: 1 + 0 + 1 + 6 = 8. Nothing to carry.
4. Add the next column to the left: 2 + 8 = 10. Keep the 0, carry the 1.
5. Start with the "carried" 1, add the leftmost column: 1 + 0 + 0 + 0 + 2 = 3
The final answer, 308.11
I'm not sure if this answers your question or not.
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