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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When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 10
A distance is measured as 3.6 × 108 meters. Write this distance in standard form.
A population of bacteria is estimated to be 4.2 × 107. If the population doubles, what is the new population in scientific notation?
A scientist measures the mass of a particle as 0.00000000052 grams. Express this mass in scientific notation.
Add the following numbers and write the answer in scientific notation: 3.2 × 105 + 4.5 × 105.
A distance is measured as 3.6 × 108 meters. Write this distance in standard form.
A population of bacteria is estimated to be 4.2 × 107. If the population doubles, what is the new population in scientific notation?
A scientist measures the mass of a particle as 0.00000000052 grams. Express this mass in scientific notation.
A scientist records the mass of a cell as 3.45 × 10-12 grams. If 2.0 × 107 such cells are combined, what is the total mass in scientific notation?
Which of the following is the correct scientific notation for 0.0000000039?
(1) 3.9 × 10-8
(2) 3.9 × 10-9
(3) 39 × 10-10
(4) 0.39 × 10-8
Which of the following is the correct scientific notation for 0.000081?
(1) 8.1 × 10-5
(2) 8.1 × 10-4
(3) 81 × 10-6
(4) 0.81 × 10-4
Which of the following is the correct scientific notation for 0.00032?
(1) 3.2 × 10-4
(2) 3.2 × 10-3
(3) 32 × 10-5
(4) 0.32 × 10-3
Which of the following is the correct scientific notation for 5,600,000?
(1) 5.6 × 105
(2) 5.6 × 106
(3) 56 × 105
(4) 0.56 × 107
Fill in the blank: 0.00056 in scientific notation is __________.
Fill in the blank: The number 2.34 × 102 in standard form is __________.
Fill in the blank: The number 9.1 × 10-2 in decimal form is __________.
Fill in the blank: The scientific notation for 0.00000012 is __________.
True or False: 1.0 × 100 is equal to 1.
True or False: 2.0 × 103 and 2 × 103 represent the same value.
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 exponent in scientific notation tells you how many places to move the decimal point.
