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Add 4 x 10−6 and 2.2 x 10−5. 2.6 x 10−6 6.2 x 10−6 2.6 x 10−5 6.2 x 10−5

Sagot :

The sum of 4 x 10−6 and 2.2 x 10−5 is 6. 2 × 10 ^ -5. Option D

What are index forms?

Index is simply the power or exponent which is raised to a number or a variable.

From the information given, we have;

4 x 10^−6 and 2.2 x 10^−5

To find the sum, the two index forms must have the same exponent or power

4. 0 × 10 ^ -5 and 2.2 x 10−5

This is written as ;

4. 0 × 10^-5 + 2. 2 × 10 ^ -5

Using the law of indices, add the two values and take the power

4. 0 + 2. 2 × 10 ^-5

6. 2 × 10 ^ -5

Thus, the sum of 4 x 10−6 and 2.2 x 10−5 is 6. 2 × 10 ^ -5. Option D

Learn more about index forms here:

https://brainly.com/question/15361818

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