RC100 Final Exam Study Guide With
Questions And 100% Verified Solutions
What is the fulcrum? - CORRECT ANSWER- The place where the outboard side of
the beam rests on the building or the structure
What should the minimum breaking point of a lifeline be? - CORRECT ANSWER-
5000 lbs
How far below the top rail should the midrail be? - CORRECT ANSWER- 20 in
Subtract -34 from 49 - CORRECT ANSWER- 83
Find (3+4×2) - (4÷2×5) - CORRECT ANSWER- 1
Find 212 - 1 35 - CORRECT ANSWER- 910
Find 245 × 3 13 ÷ (-4 25) - CORRECT ANSWER- -2433
Convert 3 25 to a decimal - CORRECT ANSWER- 3.4
Convert 255.4% to a decimal - CORRECT ANSWER- 2.554
What is 125% of 56? - CORRECT ANSWER- 70
40 is 250% of what number? - CORRECT ANSWER- 16
Write 3.421 as a percentage - CORRECT ANSWER- 342.1%
Find 254 × 429 - CORRECT ANSWER- 108966
If the next place value is between 0-4 we round (up/down)? - CORRECT ANSWER-
down
If the next place value is between 5-9 we round (up/down)? - CORRECT ANSWER-
up
Round 142,154 to the nearest thousand: - CORRECT ANSWER- 142000
Round 142,154 to the nearest hundred: - CORRECT ANSWER- 142200
Round 1.572 to the nearest tenth: - CORRECT ANSWER- 1.600
Round 1.572 to the nearest hundredth: - CORRECT ANSWER- 1.570
Round .003414 to the nearest ten thousandth - CORRECT ANSWER- .0034
_______ _______ are the digits of a measurement that carry meaning - CORRECT
ANSWER- significant figures
How many significant figures are in 1250? - CORRECT ANSWER- three
How many significant figures are in .00123? - CORRECT ANSWER- three
How many significant figures are in .0012000? - CORRECT ANSWER- five
How many significant figures are in 22.00? - CORRECT ANSWER- four
How would we express the final value to the best accuracy if our measurements
were .032 + .035 + .033 =? - CORRECT ANSWER- .100
How would we express the final value to the best accuracy if our measurements were:
1.29 + 1.301+ 1.298 + 1.303 + 1.299 =? - CORRECT ANSWER- 6.49
Using a tape measure, you find a rectangular panel measures 11.25" x 7.5" what is the
area of the panel to our best accurate measurement? - CORRECT ANSWER-
84.4in2
Questions And 100% Verified Solutions
What is the fulcrum? - CORRECT ANSWER- The place where the outboard side of
the beam rests on the building or the structure
What should the minimum breaking point of a lifeline be? - CORRECT ANSWER-
5000 lbs
How far below the top rail should the midrail be? - CORRECT ANSWER- 20 in
Subtract -34 from 49 - CORRECT ANSWER- 83
Find (3+4×2) - (4÷2×5) - CORRECT ANSWER- 1
Find 212 - 1 35 - CORRECT ANSWER- 910
Find 245 × 3 13 ÷ (-4 25) - CORRECT ANSWER- -2433
Convert 3 25 to a decimal - CORRECT ANSWER- 3.4
Convert 255.4% to a decimal - CORRECT ANSWER- 2.554
What is 125% of 56? - CORRECT ANSWER- 70
40 is 250% of what number? - CORRECT ANSWER- 16
Write 3.421 as a percentage - CORRECT ANSWER- 342.1%
Find 254 × 429 - CORRECT ANSWER- 108966
If the next place value is between 0-4 we round (up/down)? - CORRECT ANSWER-
down
If the next place value is between 5-9 we round (up/down)? - CORRECT ANSWER-
up
Round 142,154 to the nearest thousand: - CORRECT ANSWER- 142000
Round 142,154 to the nearest hundred: - CORRECT ANSWER- 142200
Round 1.572 to the nearest tenth: - CORRECT ANSWER- 1.600
Round 1.572 to the nearest hundredth: - CORRECT ANSWER- 1.570
Round .003414 to the nearest ten thousandth - CORRECT ANSWER- .0034
_______ _______ are the digits of a measurement that carry meaning - CORRECT
ANSWER- significant figures
How many significant figures are in 1250? - CORRECT ANSWER- three
How many significant figures are in .00123? - CORRECT ANSWER- three
How many significant figures are in .0012000? - CORRECT ANSWER- five
How many significant figures are in 22.00? - CORRECT ANSWER- four
How would we express the final value to the best accuracy if our measurements
were .032 + .035 + .033 =? - CORRECT ANSWER- .100
How would we express the final value to the best accuracy if our measurements were:
1.29 + 1.301+ 1.298 + 1.303 + 1.299 =? - CORRECT ANSWER- 6.49
Using a tape measure, you find a rectangular panel measures 11.25" x 7.5" what is the
area of the panel to our best accurate measurement? - CORRECT ANSWER-
84.4in2
