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Density of copper metal is 8.9g/mL. How many mL do 38.7g of copper occupy? 0.23mL No answer text provided. 344.4mL 4.35mL Density of iron is 7.8g/mL. How many mL do 52.6g of iron occupy? 6.74mL 0.15mL No answer text provided. 410.3mL How many significant figures are in 103.2? 1 3 4 2 How many significant figures are in 100.0 ? 1 4 3 2 How many significant figures are in 0.0000013 ? 8 3 7 2 How many significant figures are in 0.000540 ? 7 2 6 3 Rewrite 42100 in scientific notation 4.21e4 4.21e4 4.21e2 4.21e2 Rewrite 240000 in scientific notation 2.4e4 2.4e5 2.4e5 2.4e4 Rewrite 650000 in scientific notation 6.5e4 6.5es 6.5e5 6.5e4 Question 11 Rewrite 0.000521 in scientific notation 5.21e4 5.21e3 5.21e4 5.21e3 Rewrite the following number in decimal format: 4.72104 4720000 0.000472 47200 0.0000472 Rewrite the following number in decimal format: 1.03104 0.000103 10300 0.0000103 1030000 Rewrite the following number in decimal format: 6.02104 0.000602 60200 0.0000602 6020000 Rewrite the following number in decimal format: 6.5103 6500650000.00650.00065 Question 16 1 pts How many mL are in 1.76L ? 1760mL 0.00176mL 176mL 17.6mL Question 17 1pts How many dg are in 31.3g ? 3.13dg313dg0.313dg3130dg 1 pts How many m are in 41,500nm ? 4.15e5m 4.15e9m 4.15e9m 4.15e4m