Scientific Notation
Math ⇒ Number and Operations
Scientific Notation starts at 7 and continues till grade 12.
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See sample questions for grade 11
A distance is measured as 3.0 × 108 meters. What is this distance in standard notation?
A population of bacteria is estimated to be 2.5 × 109. Write this number in standard notation.
A scientist measures the mass of a particle as 0.00000000052 grams. Express this mass in scientific notation.
Add (4.5 × 103) and (3.2 × 102). Write your answer in scientific notation.
Convert 1.2 × 10-3 to standard decimal notation.
A distance is measured as 3.0 × 108 meters. What is this distance in standard notation?
A population of bacteria is estimated to be 2.5 × 109. Write this number in standard notation.
A scientist measures the mass of a particle as 0.00000000052 grams. Express this mass in scientific notation.
Which of the following is NOT a correct scientific notation?
(1) 1.23 × 105
(2) 0.98 × 107
(3) 9.8 × 10-3
(4) 5.0 × 100
Which of the following is the correct scientific notation for 0.000091?
(1) 9.1 × 10-5
(2) 9.1 × 10-4
(3) 9.1 × 10-3
(4) 9.1 × 10-6
Which of the following is the correct scientific notation for 0.00042?
(1) 4.2 × 10-3
(2) 4.2 × 10-4
(3) 4.2 × 10-5
(4) 4.2 × 10-2
Which of the following is the correct scientific notation for 5,000,000?
(1) 5 × 105
(2) 5 × 106
(3) 5 × 107
(4) 5 × 104
Fill in the blank: 3.45 × 105 is equal to __________.
Fill in the blank: 6.4 × 10-2 is equal to __________.
Fill in the blank: 9.81 × 102 meters is equal to __________ meters.
Fill in the blank: The scientific notation for 0.0000078 is __________.
True or False: 2.5 × 100 is equal to 2.5.
True or False: 7.0 × 10-5 is less than 7.0 × 10-4.
True or False: In scientific notation, the coefficient must always be greater than or equal to 1 and less than 10.
True or False: The number 1.0 × 10-2 is greater than 1.0 × 10-3.
