1. express your answer in scientific notation. (6.0 x 10^5) x (3.0 x 10^4) = a. 18 x 10^20 b. 18 x 10^9 c. 1.8 x 10^20 d. 1.8 x 10^10

24

step-by-step explanation:

the graph shows 30% of students walk. 80 students were questioned, so the number that said they walk is

30% × 80 = 0.30 × 80 = 24

$3720

step-by-step explanation:

taxable income = $31000

as per the 2018-2019 us tax bracket, the tax rate is 12% for an individual whose taxable income is between $9,526 to $38,700.

so, the tax to be paid by him = 12% of 31000

= 0.12 * 31000     [12% converted to decimal as 0.12]

= $3720