#1
What is the purpose of scientific notation?
To represent large or small numbers in a concise format
ExplanationConcisely represent large or small numbers.
#2
Which of the following is an example of a measurement in scientific notation?
0.0025 kilograms
Explanation0.0025kg expressed as 2.5 x 10^-3.
#3
Which of the following represents the number 0.0000078 in scientific notation?
7.8 x 10^-6
ExplanationMove decimal to achieve standard form.
#4
What is the metric prefix for 1,000,000?
Mega
ExplanationPrefix for million.
#5
What is the standard form of the number 6.72 x 10^5?
6720
ExplanationConvert from scientific notation to standard form.
#6
Express 0.000000000047 in scientific notation.
4.7 x 10^-11
ExplanationShift decimal and adjust exponent.
#7
What does '1.2 x 10^3' represent in standard notation?
1200
ExplanationRepresent 1200 with exponent 3.
#8
What is the purpose of the exponent in scientific notation?
To represent the order of magnitude
ExplanationIndicates order of magnitude.
#9
Express 5000 meters in scientific notation.
5 x 10^4
ExplanationExpress as 5 multiplied by 10^4.
#10
What is the purpose of using scientific notation when working with very large or very small numbers?
To represent numbers accurately
ExplanationAccurate representation of large or small numbers.
#11
What is the exponent in the number 9.81 x 10^2?
2
ExplanationExponent indicates number of zeros.
#12
What is the metric prefix for 0.001?
Milli
ExplanationPrefix for one thousandth.
#13
Which of the following expressions is equivalent to 4.5 x 10^4?
45000
ExplanationConvert exponent to decimal form.
#14
Express the number 0.000000045 in scientific notation.
45 x 10^-9
ExplanationMove decimal and adjust exponent.
#15
Which of the following numbers is the largest?
7.2 x 10^6
ExplanationNumber with the highest exponent.
#16
Which of the following numbers is the smallest?
6.5 x 10^-6
ExplanationNumber with the lowest exponent.