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 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.

Divide (8 × 10⁶) by (2 × 10²) and write the answer in scientific notation.

Explain the difference between positive and negative exponents in scientific notation.

Explain why scientific notation is useful when dealing with very large or very small numbers.

Express 0.00000032 in scientific notation.

Express 0.00056 in scientific notation.

If a number is written as 6.02 × 10²³, what is the exponent?

If you divide (5 × 10⁸) by (2.5 × 10³), what is the result in scientific notation?

If you multiply two numbers in scientific notation, (a × 10^m) × (b × 10ⁿ), what is the general rule for the result?

Multiply (3 × 10⁴) by (2 × 10³) and write the answer in scientific notation.

Subtract (2.1 × 10⁵) from (5.6 × 10⁵). Write your answer in scientific notation.

Write 7,200,000 in scientific notation.