How do you convert a decimal to scientific notation?

Move the decimal point to the right of the first non-zero digit and express the number as a product of that digit and a power of ten.

How do you multiply numbers in scientific notation?

Multiply the coefficients and add the exponents. For example, $$(2 \times 10^3) \times (3 \times 10^2) = 6 \times 10^{5}$$ .

How do you divide numbers in scientific notation?

Divide the coefficients and subtract the exponents. For example, $$(6 \times 10^5) \/ (2 \times 10^2) = 3 \times 10^{3}$$ .

What is the purpose of using powers of ten in estimation?

Powers of ten simplify calculations and help in understanding the scale of numbers, especially very large or very small quantities.

Powers Of Ten To Estimate Quantities

Powers of Ten to Estimate Quantities

Flashcard

•

Mathematics

•

8th Grade

•

Practice Problem

•

Hard

•

CCSS

8.EE.A.3, 5.NBT.A.2, 8.EE.A.4

Standards-aligned

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15 questions

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FLASHCARD QUESTION

Front

What is a power of ten?

Back

Tags

CCSS.5.NBT.A.2

FLASHCARD QUESTION

Front

Estimate 0.00009254 using a power of ten.

Back

Tags

CCSS.8.EE.A.3

FLASHCARD QUESTION

Front

Back

Tags

CCSS.6.EE.A.1

FLASHCARD QUESTION

Front

How do you round 0.0068925 to the largest place value?

Back

0.007.

Tags

CCSS.5.NBT.A.4

FLASHCARD QUESTION

Front

Estimate 4,567,899 using a power of ten.

Back

Tags

CCSS.8.EE.A.3

FLASHCARD QUESTION

Front

Estimate 0.0000000897 using a power of ten.

Back

Tags

CCSS.8.EE.A.3

FLASHCARD QUESTION

Front

Back

It represents a very small number, specifically one divided by ten raised to the power of n.

Tags

CCSS.8.EE.A.3

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