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Scientific notation Knowledge-Based Practice

Math · Number Sense & Operations · Math · Exponents & Scientific Notation

4 Math practice questions on Scientific notation. Questions that assess core concepts and understanding.

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Questions

  1. 1.

    What is the value of (5×10−4)3(5 \times 10^{-4})^3 expressed in scientific notation?

    • A) 1.25×10−121.25 \times 10^{-12}
    • B) 1.25×10−91.25 \times 10^{-9}
    • C) 1.25×10−101.25 \times 10^{-10}
    • D) 1.5×10−111.5 \times 10^{-11}
  2. 2.

    What is the difference between (8.3×10−4)(8.3 \times 10^{-4}) and (5.7×10−5)(5.7 \times 10^{-5}) expressed in scientific notation?

    • A) 2.6×10−42.6 \times 10^{-4}
    • B) 7.73×10−57.73 \times 10^{-5}
    • C) 7.73×10−47.73 \times 10^{-4}
    • D) 8.243×10−48.243 \times 10^{-4}
  3. 3.

    What is the quotient of (1.53×10−2)÷(3.6×103)(1.53 \times 10^{-2}) \div (3.6 \times 10^3) expressed in scientific notation?

    • A) 4.25×10−54.25 \times 10^{-5}
    • B) 4.25×10−64.25 \times 10^{-6}
    • C) 4.25×10−74.25 \times 10^{-7}
    • D) 4.25×1054.25 \times 10^5
  4. 4.

    What is the sum of (4.5×106)(4.5 \times 10^6) and (7.2×105)(7.2 \times 10^5) expressed in scientific notation?

    • A) 1.17×1071.17 \times 10^7
    • B) 5.22×1065.22 \times 10^6
    • C) 5.22×1055.22 \times 10^5
    • D) 1.17×10121.17 \times 10^{12}

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