We round a number to three significant figures in the same way that we would round to three decimal places. We count from the first non-zero digit for three digits. We then round the last digit. We fill in any remaining places to the right of the decimal point with zeros.
<span>6x + 10 = 4x -8
6x-4x = -8 - 10
2x = -18
x = -9
answer
</span><span>exactly one solution</span>
(2129-1727)/1727=0.232
The percentage of increase is 23%.
The correct answer is-4y+6
