Adding and Subtracting Scientific Notation

Adding 1

100

(1.3x10²) + (5.6x10¹)

1.86x10²

200

(7x10⁴) + (5.6x10⁵)

6.3x10⁵

300

(3.9x10⁷) + (1.6x10⁵)

3.91x10⁷

400

(8.3x10^-4) + (5x10^-3)

5.83x10^-3

500

(2.4x10^-9) + (6.1x10^-5)

6.1024x10^-5

Adding 2

100

(4.9x10³) + (8.2x10⁴)

8.69x10⁴

200

(3.6x10^-6) + (1.8x10^-7)

3.78x10^-6

300

(3x10³) + (4x10⁶)

4.003x10⁶

400

(9.8x10^-3) + (7.6x10^-5)

9.876x10^-3

500

(6.2x10^-4) + (9x10^-8)

6.2009x10^-4

Mystery

100

(3.2x10⁴) + (6.5x10⁵)

6.82x10⁵

200

(9.9x10⁹) - (8.8x10⁸)

9.1x10⁹

300

(5.3x10^-6) - (4.9x10^-7)

4.81x10^-6

400

(4.8x10³) + (7.3x10⁶)

7.3048x10⁶

500

(7.9x10^-5) - (4.2x10^-9)

7.89958x10^-5

Subtraction 1

100

(4x10⁷) - (3x10⁶)

3.7x10⁷

200

(5.3x10⁴) - (2.8x10²)

5.272x10⁴

300

(7.1x10^-3) - (6.9x10^-4)

6.41x10^-3

400

(8.4x10^-7) - (3.7x10^-8)

8.03x10^-7

500

(2.13x10^-3) - (1.4x10^-7)

2.12986x10^-3

Subtraction 2

100

(7x10⁹) - (3x10⁸)

6.7x10⁹

200

(1.4x10⁶) - (1.1x10⁵)

1.29x10⁶

300

(9.5x10⁶) - (6.3x10⁴)

9.437x10⁶

400

(2.4x10^-5) - (1.6x10^-7)

2.384x10^-5

500

(5.7x10^-5) - (3.9x10^-8)

5.6961x10^-5