4
900 000 000
In standard form

900 000 000=9×10^8 is in standard form

rectangle: 9 1/8 x 4 1/9 = 37 37/72in

parallelogram: b times h= 10.3 x 6.2 = 63.86

trapezoid: a+b/2 times h= 42.5

volume of prism: l times w times h= 36

8121 because

130,000 divided by 16 is 8121