Consider the equation: v2 = 2a*x,where a is in m/s2, x is in m.

What are the units on v?

A. m2/s2

B. m/s2

C. m2/sD. m/sE. mF. s 0% 0% 0%0%0%0%

π to 4 decimal places is

A. 3.1416B. 3.142C. 3.14D. 3.1E. 3.0

3.1416

3.142

3.14 3.1 3.0

0% 0%0%0%0%

π to 4 significant figures is

A. 3.1416B. 3.142C. 3.14D. 3.1E. 3.0

3.1416

3.142

3.14 3.1 3.0

0% 0%0%0%0%

1.11 x 20.0 =

A. 22.20B. 22.2C. 22.0D. 22E. 20

22.20 22

.222.0 22 20

0% 0%0%0%0%

1.11 + 20.0 =

A. 21.11B. 21.10C. 21.1D. 21.0E. 21F. 20

21.11

21.10 21

.121.0 21 20

0% 0% 0%0%0%0%

12.345 has five significant figures, while 12.34500 is rounded to five decimal place accuracy.

A. TrueB. False

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