Answer:
$6.30
Explanation:
The state sales tax rate in North Carolina is 4.5% estimate the state sales tax on a model of the wright brothers’ airplane that costs $139.99.
You are asked to estimate meaning $139.99 should be rounded to $140. Because 4.5% = 0.045
sales tax (estimated):
0.045 * $140 = $6.30
CHECK:
Exact amount is:
0.045 * 139.99 = $6.29955