Adding and Adjusting Scientific Notation

This video tutorial explains how to add numbers in scientific notation. It begins with guidelines for ensuring exponents are the same, followed by two examples: one with positive exponents and another with negative exponents. The video concludes with a call to action to subscribe for more math and science content.

What is the first step to take when adding numbers in scientific notation with different exponents?

• Convert both numbers to standard form.

• Adjust the smaller exponent to match the larger one.

• Multiply the exponents.

• Add the coefficients directly.

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CCSS.8.EE.A.3

When adjusting exponents, in which direction should you move the decimal point of the smaller exponent's number?

• To the right

• Downwards

• To the left

• Upwards

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CCSS.8.EE.A.4

In the first example, what is the result of adding 8 times 10^4 and 9 times 10^2 after adjusting the exponents?

• 8.09 times 10^4

• 8.9 times 10^4

• 9.8 times 10^4

• 8.09 times 10^2

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CCSS.8.EE.A.3

Why is it necessary to move the decimal point when adjusting exponents in scientific notation?

• To convert to standard form

• To change the base of the exponent

• To make the coefficient smaller

• To make the coefficient larger

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CCSS.8.EE.A.3

What is the inverse relationship between exponents and coefficients in scientific notation?

• There is no relationship

• As the exponent increases, the coefficient decreases

• As the exponent decreases, the coefficient decreases

• As the exponent increases, the coefficient increases

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CCSS.8.EE.A.3

In the second example, which number is actually smaller: 10^-2 or 10^-3?

• 10^-2

• 10^-3

• They are equal

• It depends on the coefficient

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CCSS.8.EE.A.4

What is the result of adding 6.3 times 10^-2 and 7.2 times 10^-3 after adjusting the exponents?

• 7.2 times 10^-3

• 6.3 times 10^-3

• 6.3 times 10^-2

• 7.02 times 10^-2

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CCSS.8.EE.A.1

When dealing with negative exponents, which side of the number line represents smaller values?

• Bottom side

• Left side

• Right side

• Top side

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CCSS.8.EE.A.3

What should you do if the result of your addition is not in scientific notation?

• Leave it as it is

• Convert it to scientific notation

• Multiply by 10

• Divide by 10

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CCSS.8.EE.A.4

What is the main topic of the video tutorial?

• Adding in scientific notation

• Dividing in scientific notation

• Subtracting in scientific notation

• Multiplying in scientific notation

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CCSS.8.EE.A.4