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Scientific notation

Math • Exponents & Scientific Notation • Knowledge-Based • 5 questions

Scientific notation Knowledge-Based Download PDF

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

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

Questions

  1. 1.

    What is the number 0.0000605 expressed in scientific notation?

    • A) 6.05×10−66.05 \times 10^{-6}
    • B) 6.05×10−56.05 \times 10^{-5}
    • C) 6.05×1056.05 \times 10^5
    • D) 60.5×10−660.5 \times 10^{-6}
  2. 2.

    What is the value of (4.0×10−4)3(4.0 \times 10^{-4})^3 expressed in scientific notation?

    • A) 6.4×10−136.4 \times 10^{-13}
    • B) 6.4×10−126.4 \times 10^{-12}
    • C) 1.2×10−111.2 \times 10^{-11}
    • D) 6.4×10−116.4 \times 10^{-11}
  3. 3.

    What is the value of (7.5×104)×(6.0×10−8)(7.5 \times 10^4) \times (6.0 \times 10^{-8}) expressed in scientific notation?

    • A) 4.5×10−44.5 \times 10^{-4}
    • B) 4.5×10−34.5 \times 10^{-3}
    • C) 4.5×10−54.5 \times 10^{-5}
    • D) 4.5×1024.5 \times 10^2
  4. 4.

    What is the value of (4.5×106)+(7.8×105)(4.5 \times 10^6) + (7.8 \times 10^5) expressed in scientific notation?

    • A) 1.23×1071.23 \times 10^7
    • B) 1.23×10121.23 \times 10^{12}
    • C) 5.28×1065.28 \times 10^6
    • D) 5.28×1055.28 \times 10^5
  5. 5.

    What is the value of 1.68×1054.2×10−3\dfrac{1.68 \times 10^5}{4.2 \times 10^{-3}} expressed in scientific notation?

    • A) 4.0×1014.0 \times 10^1
    • B) 4.0×1024.0 \times 10^2
    • C) 4.0×1084.0 \times 10^8
    • D) 4.0×1074.0 \times 10^7