Calculate the weighted average of the numbers: 3, 7, 2, 4 with weights respectively: 1.3; 1.7; 1.4; 0.6

rounding to the nearest thousandth would be 452,000

1) 2/5

2) zero=0/1

3) zero=0/2

4) -4/5

5) undefined=3/0

probably the last option

step-by-step explanation:

no because after the troops were pulled many blacks were killed by hangings lynchings and other cruel ways which in a way interrupted the reconstruction of the south and differed from the way abraham lincoln had an idea of reconstruction