Math Calculators, Lessons and Formulas

It is time to solve your math problem

mathportal.org
  • Exponents and Logarithms
  • Tests in Exponents
  • Scientific notation test

Scientific notation test

ans:
syntax error
C
DEL
ANS
±
(
)
÷
×
7
8
9
–
4
5
6
+
1
2
3
=
0
.
auto next question
evaluate answers
calculator
  • Question 1:
    1 pts
    		Number 12⋅101212 \cdot 10^{12} is written in scientific notation?
  • Question 2:
    3 pts
    		Which of these numbers are not written in scientific notation.
    0.1⋅1030.1 \cdot 10^3
    3.2⋅1033.2 \cdot 10^3
    2.1⋅1022.1 \cdot 10^2
    5⋅1025 \cdot 10^2
  • Question 3:
    1 pts
    		Write 500 in scientific notation.
    5⋅1035 \cdot 10^3
    0.5⋅1030.5 \cdot 10^3
    50⋅10250 \cdot 10^2
    5⋅1025 \cdot 10^2
  • Question 4:
    1 pts
    		Write 520 in scientific notation.
    52⋅10252 \cdot 10^2
    0.52⋅1030.52 \cdot 10^3
    5.2⋅1035.2 \cdot 10^3
    5.2⋅1025.2 \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⋅10815 \cdot 10^8
    1.5⋅1081.5 \cdot 10^8
    15⋅10915 \cdot 10^9
    1.5⋅1091.5 \cdot 10^9
  • Question 6:
    1 pts
    		Write in decimal notation 10410^4.

    1010

    100100

    1000010000

    100000100000

  • Question 7:
    2 pts
    		Write in decimal notation 1.2⋅1031.2 \cdot 10^3.

    120120

    12001200

    1200012000

    120000120000

  • Question 8:
    2 pts
    		Write 0.005 in scientific notation.
    5⋅10−35 \cdot 10^{-3}
    5⋅10−25 \cdot 10^{-2}
    0.5⋅10−30.5 \cdot 10^{-3}
    0.5⋅10−20.5 \cdot 10^{-2}
  • Question 9:
    2 pts
    		Write 0.012 in scientific notation.
    12⋅10−312 \cdot 10^{-3}
    12⋅10312 \cdot 10^3
    1.2⋅10−31.2 \cdot 10^{-3}
    1.2⋅10−21.2 \cdot 10^{-2}
  • Question 10:
    3 pts
    		Is the following statement true or false? 2⋅105⋅4⋅103=8⋅1082 \cdot 10^5 \cdot 4 \cdot10^3 = 8 \cdot 10^8
  • Question 11:
    3 pts
    		Is the following statement true or false? 0.002⋅0.00012=2.4⋅10−70.002 \cdot 0.00012 = 2.4 \cdot 10^{-7}
  • Question 12:
    3 pts
    		Is the following statement true or false? 0.000020.00000005=4⋅102\frac{0.00002}{0.00000005} = 4 \cdot 10^2
  • Question 13:
    3 pts
    		Evaluate 0.003⋅0.00040.003 \cdot 0.0004 using scientific notation.
    1.2⋅10−51.2 \cdot 10^{-5}
    1.2⋅10−61.2 \cdot 10^{-6}
    1.2⋅10−71.2 \cdot 10^{-7}
  • Question 14:
    3 pts
    		Evaluate 0.000040.0002\frac{0.00004}{0.0002} using scientific notation
    0.2⋅10−10.2 \cdot 10^{-1}
    2⋅10−12 \cdot 10^{-1}
    2⋅1012 \cdot 10^1
    0.2⋅1010.2 \cdot 10^1

Exponents

Logarithms