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 8
A distance is measured as 1.5 × 108 meters. What is this distance in standard form?
A scientist measures the mass of a cell as 3.2 × 10-12 grams. Write this number in decimal form.
Add: (2.5 × 103) + (3.5 × 103) and write the answer in scientific notation.
Convert 0.0039 to scientific notation.
A distance is measured as 1.5 × 108 meters. What is this distance in standard form?
A scientist measures the mass of a cell as 3.2 × 10-12 grams. Write this number in decimal form.
A scientist records the mass of a particle as 6.5 × 10-9 grams. If another particle has a mass 100 times greater, what is its mass in scientific notation?
A spaceship travels at a speed of 2.5 × 107 meters per second. How many meters does it travel in 4 × 102 seconds? Express your answer in scientific notation.
Which of the following is NOT written in scientific notation?
(1) 1.23 × 105
(2) 0.99 × 103
(3) 7.0 × 10-2
(4) 5.6 × 100
Which of the following is the correct scientific notation for 0.0000000000002?
(1) 2 × 10-12
(2) 2 × 10-13
(3) 2 × 10-14
(4) 2 × 10-15
Which of the following is the correct scientific notation for 0.0000000004?
(1) 4 × 10-10
(2) 4 × 10-9
(3) 4 × 10-11
(4) 4 × 10-12
Which of the following is the correct scientific notation for 0.0000009?
(1) 9 × 10-7
(2) 9 × 10-6
(3) 9 × 10-8
(4) 9 × 10-9
Fill in the blank: 1.2 × 103 = ________
Fill in the blank: 2.5 × 104 = ________
Fill in the blank: 6.7 × 10-2 = ________
Fill in the blank: 8.2 × 101 = ________
True or False: 1.0 × 10-3 is equal to 0.001.
True or False: 1.0 × 106 is equal to 1,000,000.
True or False: 2.0 × 10-4 is greater than 2.0 × 10-5.
True or False: 3.0 × 100 is equal to 3.
