Trouble in Physics!!! part 2?

[Kelsey W]

11: Derived units are combinations of:
Base units

Significant figures

Equations

None of the Above

12: A rectangular floor has a length of 15.72m and a width of 4.4m. What is the perimeter of the floor?
69.2m

69.2m2

40.2

40.2m

13: A cube has an edge of length 5.2cm. What is its surface area?
140cm2

160cm2

125cm2

216cm2

14: Which of the following is an SI base quantity?
Temperature

Density

Velocity

None of the above

15: Convert 1.1cm to meters
1.1 x 102m2

1.1 x 10-2m2

1.1 x 10-2m

1.1 x 102m

16: 15.07kg - 12.0kg =
3kg

3.7kg

3.1kg

4.0kg

17: Convert 9270ms to seconds:
9.27 s

9.27 x 106s

9.27 x 10-6s

927 s

18: How many significant figures are in 0.000534kg?
1

2

3

4

19: Multiply: (5x108m)(4.2x107m)
2 x 1056m

2 x 1056m2

2 x 1016m

2 x 1016m2

20: The prefix micro is the same as:
106

10-6

103

10-3