MLS 203 Final Study Guide Questions And Correct Answers
If the number 0.5734 is rounded to three significant figures, what will be
the new number? - ANSWER=0.573
Write the following in decimal form: 32%. - ANSWER=0.32
If the number 4.37768 is rounded to four significant figures, what will
be the new number? - ANSWER=4.378
Write the following in percentage form: 0.15. - ANSWER=15%
Solve the following equation using the rules for rounding numbers and
significant figures: 0.087 - 0.012 = ? - ANSWER=0.075
If the digit to be dropped is less than 5, then the preceding digit stays the
same. - ANSWER=true
If the number 6.473 is rounded to three significant figures, what will be
the new number? - ANSWER=6.47
What is the sum of (+44) + (-22) + (+19) + (-4)? - ANSWER=+37
Determine the antilog of 0.8774. - ANSWER=7.540
, MLS 203 Final Study Guide Questions And Correct Answers
Exponents used in scientific notation can be positive or negative
numbers. - ANSWER=true
A negative exponent in the denominator remains a negative exponent
when it is inverted to the numerator. - ANSWER=false
Using scientific notation and the rules of significant figures, multiply
(5.1 × 102) × (4.4 103). - ANSWER=2.2 × 106
What is the log of 10-5? - ANSWER=-5.0
When a mantissa number (a) in scientific notation is multiplied by an
exponent, the mantissa (ac) number is multiplied by itself the number of
times expressed by the exponent. - ANSWER=true
The freezing point for pure water in the Celsius system is - ANSWER=0
degrees
A 1 to 2, fourfold serial dilution was performed. The original
concentration of the analyte was 1200 µg/dL. What is the concentration
of the analyte in the final tube? - ANSWER=75 g
A 1 to 20 dilution was performed using 190 µL of diluent. What is the
sample volume? - ANSWER=10 L
If the number 0.5734 is rounded to three significant figures, what will be
the new number? - ANSWER=0.573
Write the following in decimal form: 32%. - ANSWER=0.32
If the number 4.37768 is rounded to four significant figures, what will
be the new number? - ANSWER=4.378
Write the following in percentage form: 0.15. - ANSWER=15%
Solve the following equation using the rules for rounding numbers and
significant figures: 0.087 - 0.012 = ? - ANSWER=0.075
If the digit to be dropped is less than 5, then the preceding digit stays the
same. - ANSWER=true
If the number 6.473 is rounded to three significant figures, what will be
the new number? - ANSWER=6.47
What is the sum of (+44) + (-22) + (+19) + (-4)? - ANSWER=+37
Determine the antilog of 0.8774. - ANSWER=7.540
, MLS 203 Final Study Guide Questions And Correct Answers
Exponents used in scientific notation can be positive or negative
numbers. - ANSWER=true
A negative exponent in the denominator remains a negative exponent
when it is inverted to the numerator. - ANSWER=false
Using scientific notation and the rules of significant figures, multiply
(5.1 × 102) × (4.4 103). - ANSWER=2.2 × 106
What is the log of 10-5? - ANSWER=-5.0
When a mantissa number (a) in scientific notation is multiplied by an
exponent, the mantissa (ac) number is multiplied by itself the number of
times expressed by the exponent. - ANSWER=true
The freezing point for pure water in the Celsius system is - ANSWER=0
degrees
A 1 to 2, fourfold serial dilution was performed. The original
concentration of the analyte was 1200 µg/dL. What is the concentration
of the analyte in the final tube? - ANSWER=75 g
A 1 to 20 dilution was performed using 190 µL of diluent. What is the
sample volume? - ANSWER=10 L
