Scientific Notation
Math ⇒ Number and Operations
Scientific Notation starts at 7 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Scientific Notation.
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See sample questions for grade 7
Convert 4.56 × 103 to standard form.
Convert 5.67 × 102 to standard form.
Convert 9.99 × 101 to standard form.
Divide 8 × 106 by 2 × 102 and write the answer in scientific notation.
A distance is measured as 7.5 × 103 meters. If this distance is doubled, what is the new distance in scientific notation?
A scientist measures the mass of a particle as 0.00000000082 grams. Express this mass in scientific notation.
A population of bacteria increases from 2.5 × 106 to 1.0 × 108 in 4 hours. By what factor did the population increase? Express your answer in scientific notation.
A scientist records the mass of a cell as 3.2 × 10-9 grams. If the mass of 1,000 such cells is combined, what is the total mass in scientific notation?
Which of the following is NOT written in scientific notation?
(1) 1.23 × 104
(2) 0.5 × 106
(3) 7.8 × 10-3
(4) 9.99 × 102
Which of the following is the correct scientific notation for 0.000007?
(1) 7 × 10-6
(2) 7 × 10-7
(3) 0.7 × 10-5
(4) 70 × 10-8
Which of the following is the correct scientific notation for 0.42?
(1) 4.2 × 10-1
(2) 4.2 × 101
(3) 0.42 × 100
(4) 42 × 10-2
Which of the following is the correct scientific notation for 12,000?
(1) 1.2 × 103
(2) 1.2 × 104
(3) 12 × 103
(4) 0.12 × 105
Fill in the blank: 0.00047 = ________ × 10-4 in scientific notation.
Fill in the blank: 1.5 × 10-2 = ________ in standard form.
Fill in the blank: 2.34 × 105 = ________ in standard form.
Fill in the blank: 5.0 × 10-3 = ________ in standard form.
Is 0.98 × 104 written in correct scientific notation?
True or False: 2.5 × 103 is equal to 2500.
True or False: 5.0 × 100 is equal to 5.
True or False: In scientific notation, the coefficient must be greater than or equal to 1 and less than 10.
