What is the scientific notation of 0.000123?
a) 1.23 × 10^-4
b) 1.23 × 10^-3
c) 1.23 × 10^-5
d) 1.23 × 10^-6
Which of the following is the correct representation of 56000 in scientific notation?
a) 5.6 × 10^4
b) 5.6 × 10^5
c) 5.6 × 10^3
d) 5.6 × 10^6
How many significant figures are in the number 0.004560?
a) 3
b) 4
c) 2
d) 5
What is the result when adding 5.0 × 10^3 and 3.25 × 10^4 in scientific notation?
a) 3.80 × 10^4
b) 3.80 × 10^3
c) 3.30 × 10^4
d) 3.30 × 10^3
Which of the following is the correct scientific notation of 0.000789?
a) 7.89 × 10^-3
b) 7.89 × 10^-4
c) 7.89 × 10^-2
d) 7.89 × 10^-5
How many significant figures does the number 120.50 have?
a) 4
b) 5
c) 3
d) 2
Which of the following is the correct scientific notation for 8,500,000?
a) 8.5 × 10^6
b) 8.5 × 10^7
c) 8.5 × 10^5
d) 8.5 × 10^4
When multiplying (2.5 × 10^2) and (4 × 10^3), what is the result in scientific notation?
a) 1.0 × 10^5
b) 1.0 × 10^6
c) 1.0 × 10^4
d) 1.0 × 10^7
What is the sum of 4.0 × 10^-2 and 5.2 × 10^-3 in scientific notation?
a) 4.52 × 10^-2
b) 4.52 × 10^-3
c) 4.2 × 10^-2
d) 4.2 × 10^-3
Which of the following is true about the significant figures in a number?
a) Zeros before a decimal point are significant
b) Zeros between non-zero digits are significant
c) Zeros after a decimal point are not significant
d) All digits in a whole number are significant
What is the scientific notation of 0.000009876?
a) 9.876 × 10^-6
b) 9.876 × 10^-7
c) 9.876 × 10^-5
d) 9.876 × 10^-8
How many significant figures are in 0.0060030?
a) 4
b) 5
c) 6
d) 7
Which of the following numbers has 3 significant figures?
a) 0.0045
b) 45.600
c) 70000
d) 0.005007
What is the scientific notation of 750000?
a) 7.5 × 10^5
b) 7.5 × 10^6
c) 7.5 × 10^4
d) 7.5 × 10^3
Which operation is used to determine the correct significant figures in multiplication or division?
a) Round the result to the least number of decimal places
b) Round the result to the least number of significant figures
c) Add the exponents
d) Subtract the exponents
Which of the following represents 1.23 × 10^5 in decimal form?
a) 123,000
b) 0.0123
c) 1230
d) 12300
What is the scientific notation for 0.00540?
a) 5.4 × 10^-3
b) 5.4 × 10^-4
c) 5.4 × 10^-2
d) 5.4 × 10^-5
When performing addition or subtraction, the result should be rounded to the same number of decimal places as:
a) The number with the least number of significant figures
b) The number with the least number of exponents
c) The number with the least number of decimal places
d) The number with the greatest number of decimal places
Which of the following is the correct scientific notation for 0.00058?
a) 5.8 × 10^-5
b) 5.8 × 10^-4
c) 5.8 × 10^-6
d) 5.8 × 10^-3
How many significant figures are in the number 9080?
a) 3
b) 4
c) 2
d) 5
What is the sum of 4.56 × 10^3 and 3.4 × 10^4 in scientific notation?
a) 3.76 × 10^4
b) 3.76 × 10^3
c) 3.46 × 10^4
d) 3.46 × 10^3
What is the scientific notation of 6500000?
a) 6.5 × 10^6
b) 6.5 × 10^5
c) 6.5 × 10^7
d) 6.5 × 10^4
Which of the following is the scientific notation of 0.0000032?
a) 3.2 × 10^-6
b) 3.2 × 10^-5
c) 3.2 × 10^-4
d) 3.2 × 10^-7
How many significant figures are in the number 500.0?
a) 3
b) 4
c) 5
d) 2
What is the correct representation of 98700 in scientific notation?
a) 9.87 × 10^4
b) 9.87 × 10^5
c) 9.87 × 10^3
d) 9.87 × 10^6
How many significant figures are in the number 0.002350?
a) 3
b) 4
c) 5
d) 6
When dividing 6.0 × 10^5 by 2.0 × 10^2, the result is:
a) 3.0 × 10^3
b) 3.0 × 10^2
c) 3.0 × 10^4
d) 3.0 × 10^5
What is the scientific notation of 0.00000045?
a) 4.5 × 10^-7
b) 4.5 × 10^-8
c) 4.5 × 10^-6
d) 4.5 × 10^-5
How many significant figures does the number 140.500 have?
a) 5
b) 6
c) 4
d) 3
What is the correct scientific notation for 0.000036?
a) 3.6 × 10^-5
b) 3.6 × 10^-4
c) 3.6 × 10^-6
d) 3.6 × 10^-7
