Answer:
1) one hundred twenty million five hundred forty thousand
2) 2,040 (equation: 4(5 x 102))
3) 1,872
4) 9.25, 9.325, 9.5, 9.675
5) 18.4
6) 108 (equation: 3(21) + 3(15))
7) $0.95
8) $2.50
Step-by-step explanation:
this was long
Answer:1.b 2.c 3.a
Step-by-step explanation:
9. perimeter is 18 and area is 20, 10. perimeter is 22 and area is 30, 11. you will need 228 cm of material, 12. perimeter is 28 ft and area is 48 ft. hope i helped