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Scientific notation test

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  • Question 1:
    1 pts
    		Number $12 \cdot 10^{12}$ is written in scientific notation?
  • Question 2:
    3 pts
    		Which of these numbers are not written in scientific notation.
    $0.1 \cdot 10^3$
    $3.2 \cdot 10^3$
    $2.1 \cdot 10^2$
    $5 \cdot 10^2$
  • Question 3:
    1 pts
    		Write 500 in scientific notation.
    $5 \cdot 10^3$
    $0.5 \cdot 10^3$
    $50 \cdot 10^2$
    $5 \cdot 10^2$
  • Question 4:
    1 pts
    		Write 520 in scientific notation.
    $52 \cdot 10^2$
    $0.52 \cdot 10^3$
    $5.2 \cdot 10^3$
    $5.2 \cdot 10^2$
  • Question 5:
    2 pts
    		Earth is about 150,000,000 km from the Sun. What is this distance in scientific notation?
    $15 \cdot 10^8$
    $1.5 \cdot 10^8$
    $15 \cdot 10^9$
    $1.5 \cdot 10^9$
  • Question 6:
    1 pts
    		Write in decimal notation $10^4$.

    $10$

    $100$

    $10000$

    $100000$

  • Question 7:
    2 pts
    		Write in decimal notation $1.2 \cdot 10^3$.

    $120$

    $1200$

    $12000$

    $120000$

  • Question 8:
    2 pts
    		Write 0.005 in scientific notation.
    $5 \cdot 10^{-3}$
    $5 \cdot 10^{-2}$
    $0.5 \cdot 10^{-3}$
    $0.5 \cdot 10^{-2}$
  • Question 9:
    2 pts
    		Write 0.012 in scientific notation.
    $12 \cdot 10^{-3}$
    $12 \cdot 10^3$
    $1.2 \cdot 10^{-3}$
    $1.2 \cdot 10^{-2}$
  • Question 10:
    3 pts
    		Is the following statement true or false? $$2 \cdot 10^5 \cdot 4 \cdot10^3 = 8 \cdot 10^8$$
  • Question 11:
    3 pts
    		Is the following statement true or false? $$0.002 \cdot 0.00012 = 2.4 \cdot 10^{-7}$$
  • Question 12:
    3 pts
    		Is the following statement true or false? $$\frac{0.00002}{0.00000005} = 4 \cdot 10^2$$
  • Question 13:
    3 pts
    		Evaluate $0.003 \cdot 0.0004$ using scientific notation.
    $1.2 \cdot 10^{-5}$
    $1.2 \cdot 10^{-6}$
    $1.2 \cdot 10^{-7}$
  • Question 14:
    3 pts
    		Evaluate $\frac{0.00004}{0.0002}$ using scientific notation
    $0.2 \cdot 10^{-1}$
    $2 \cdot 10^{-1}$
    $2 \cdot 10^1$
    $0.2 \cdot 10^1$

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