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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. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 12
A number is written as 6.0 × 10n and equals 0.006. What is the value of n?
A scientist measures the mass of a particle as 6.022 × 10-23 grams. What is this number in standard decimal notation?
A value is given as 9.8 × 102 N. What is this value in standard decimal notation?
Add (4.5 × 103) + (3.2 × 102) and express the answer in scientific notation.
A scientist measures the mass of a particle as 6.022 × 10-23 grams. What is this number in standard decimal notation?
A value is given as 9.8 × 102 N. What is this value in standard decimal notation?
If the population of a city is 2.35 × 107, what is the population in standard decimal notation?
If the speed of light is approximately 3.00 × 108 m/s, how would you write 300,000,000 m/s in scientific notation?
Which of the following is NOT a correct scientific notation? (1) 5.0 × 102 (2) 0.5 × 103 (3) 7.1 × 10-1 (4) 9.99 × 105
Which of the following is the correct scientific notation for 0.00000052? (1) 5.2 × 10-7 (2) 5.2 × 10-6 (3) 52 × 10-8 (4) 0.52 × 10-6
Which of the following is the correct scientific notation for 0.000091? (1) 9.1 × 10-5 (2) 9.1 × 10-4 (3) 91 × 10-6 (4) 0.91 × 10-4
Which of the following is the correct scientific notation for 1,234,000? (1) 1.234 × 106 (2) 12.34 × 105 (3) 123.4 × 104 (4) 0.1234 × 107
Fill in the blank: 4.2 × 103 + 3.8 × 103 = ______ × 103.
Fill in the blank: 5.67 × 10-2 = ______ in standard decimal notation.
Fill in the blank: 7,200,000 = ______ × 106 in scientific notation.
Fill in the blank: The scientific notation for 0.0078 is ______ × 10-3.
True or False: 0.00045 × 105 is in correct scientific notation.
True or False: 1.23 × 103 is equal to 1230.
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 indicates how many places the decimal point is moved.