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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 7 - Mathematics
1.7 Comparing Two Scientific Notation Numbers

Comparing two numbers written in scientific notation:

  1. The number with the larger power of 10 is greater than the number with the smaller power of 10.
  2. If the powers of ten are the same then the number with the larger factor is the larger number.
Example 1:
1.2x107
1.2x104
1.2x107 is greater than 1.2x104

Example 2:
1.2x107
1.4x107
1.4x107 is greater than 1.2x107

Comparing standard number and scientific number:

Numbers written in standard form can be compared to numbers written in scientific notation by converting one number to the other format.

Example:
Compare 3.4x107 and 4,500,000
Solution: Convert 3.4x107 to 34,000,000 or convert 4,500,000 to 4.5x106 before comparing them.
Answer: 34,000,000 > 4,500,000


Directions: Fill in the blank with greater than > or less than < or =. Also write atleast 5 examples of your own.
Q 1: 8.2x10-2______3.2x10-2
=
>
<

Q 2: 3.2x107______3.2x104
<
=
>

Q 3: 1.1x107______3.3x108
=
<
>

Q 4: 1.2x107 _____ 6,800,000
>
=
<

Q 5: 1.2x107 _____ 1,200,000
>
<
=

Q 6: 1.2x10-7______3.2x107
=
>
<

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