Homework On Sig Fig Math, S.N. And Dimensional Analysis

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Difference (from prior author revision) (major diff, minor diff)

Removed: 3d2

Changed: 5c4,9

Reminder: *Type of math: ___________ Looking for: Decimal place or # of sig fig (Circle one)

*Where to round:
**Put horizontal line after final column/digit:
**Look at digit to right and round the digit to the left of the line (show number with horizontal line)

**Give correct number after rounding on second line.

Added: 7a12

*Type of math: ___________ Looking for: Decimal place or # of sig fig (Circle one)

Changed: 9c14

Added: 10a16

*Type of math: ___________ Looking for: Decimal place or # of sig fig (Circle one)

Changed: 12c18

Added: 13a20

*Type of math: ___________ Looking for: Decimal place or # of sig fig (Circle one)

Added: 16a24,31

*Type of math: ___________ Looking for: Decimal place or # of sig fig (Circle one)

f. (0.304 mg) (97.10 mg) = _____________________= _________________

*Type of math: ___________ Looking for: Decimal place or # of sig fig (Circle one)

g. 2.0sec -0.003sec = _____________________ = _________________

*Type of math: ___________ Looking for: Decimal place or # of sig fig (Circle one)

Added: 17a33

Changed: 19c35

2019-2020 CP or Honors Don't Do

Changed: 53c69

g. 1.85 days

g. 1.85 days
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Answer the following showing all work.

a. ( 2.540E-5 m ) ( 413.2 m ) = ______________ = ________________

Reminder: *Type of math: ___________ Looking for: Decimal place or # of sig fig (Circle one)

Where to round:
- Put horizontal line after final column/digit:
- Look at digit to right and round the digit to the left of the line (show number with horizontal line)
- Give correct number after rounding on second line.

b. 11.31g + 0.3g + 4.201g = _____________ = __________________

Type of math: ___________ Looking for: Decimal place or # of sig fig (Circle one)

c. 5.030E-3 m / 3.0401 s = _______________ = ___________________

Type of math: ___________ Looking for: Decimal place or # of sig fig (Circle one)

d. 34.2 s - 8.61 s = _____________ = _____________________

Type of math: ___________ Looking for: Decimal place or # of sig fig (Circle one)

e. ( 8.20040 L ) ( 0.0310 L ) = _______________ = _________________

Type of math: ___________ Looking for: Decimal place or # of sig fig (Circle one)

f. (0.304 mg) (97.10 mg) = _____________________= _________________

Type of math: ___________ Looking for: Decimal place or # of sig fig (Circle one)

g. 2.0sec -0.003sec = _____________________ = _________________

Type of math: ___________ Looking for: Decimal place or # of sig fig (Circle one)

2019-2020 CP or Honors Don't Do

f. Jasper the curious cat walks at 5.47 m/s. How long (in hrs) will it take him to walk 40.20 miles? ( 0.625mile = 1.0Km )

g. Principal Stephens says he can eat 2.00 hamburger in 1 min. How many days will it take him to eat 5.320E3 hamburgers?

Answers:
a. 0.01050 m²
b. 15.8g
c. 1.655E-3 m/s
d. 25.6s
e. 0.254 L²
f. 1.27 hrs
g. 1.85 days
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