Round 38562.7 to 1 significant figure

Nick and nora are married and have three children in college. they have an adjusted gross income of 47,400. if their standard deduction is 12,600 itemized deductions are 14,200 and they get an exemption of 4000 for each adult and each dependent what is their taxable income

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.