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# Worksheet on Scientific Notation and Rational Numbers

Practice Scientific Notation problems with Rational Numbers and score good marks.

• 1.

Solve the Decimal Number 0.000000044 with Scientific Notation?

1. 4.4 x 10-2
2. 4.4 x 10-4
3. 4.4 x 10-6
4. 4.4 x 10-8
• 2.

Add the numbers with Scientific Notations 3.557 × 105 + 7.0039 × 108?

1. 7.124 x 109
2. 1.000 x 109
3. 2.124 x 109
4. 7.007 x 108
• 3.

Add the number with Scientific Notations 1.223 x 107 + 2.112 x 109?

1. 3.124 x 109
2. 2.000 x 109
3. 2.124 x 109
4. 2.124 x 102
• 4.

Solve the number with Scientific Notations: 6.10808 x 103 - 6.9 x 10-2?

1. 3.124 x 103
2. 2.000 x 103
3. 2.124 x 103
4. 6.108011 x 103
• 5.

Solve the given number with Scientific Notations: (2.113 x 10)( 3.113 x 103)?

1. 6.578 x 107Â Â
2. 2.578 x 107
3. 8.578 x 107
4. 2.124 x 102Â Â
• 6.

Solve the given Rational number: 4/5 - 2/9?

1. 1/45
2. 3/45
3. 26/46
4. 26/45
• 7.

Solve the Rational Numbers 3/7 * 4/9?

1. 1
2. 12/24
3. 21/63
4. 4/21
• 8.

Solve the given Rational Numbers: (9/8) / (8/5)?

1. 1/45
2. 32/24
3. 45/64
4. 42/23
• 9.

Solve the given Rational Numbers 4/5 + 5/25?

1. 1/1
2. 3/2
3. 8/25
4. 1/25
• 10.

Solve the Rational Number: 3/15 + 2/20 +1/45?

1. 180/45

2. 85/180

3. 45/180

4. 58/180

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