Which is most appropriate for the following value:
2.5 x 10^-4 meters

• 250 micrometers

• 25 micrometers

• 2.5 micrometers

• 0.25 millimeters

Tags

CCSS.8.EE.A.4

• A.

• B.

• C.

• D.

Tags

CCSS.6.RP.A.3D

What is 3,521 in scientific notation?

• 3.52 x 10³

• 3.521 x 10³

• 3.5 x 10⁹

• 1.235 x 10^-3

What is 1.1 x 10⁷ in standard form? 

• 11,000,000

• 11 x 10⁸

• 1,100

• 1.1

Tags

CCSS.8.EE.A.3

Write this number in scientific notation

Mathematical Equivalence

ON

Tags

CCSS.8.EE.A.3

The diameter of a speck of dust is about 0.00002 inches. Which of these is an appropriate estimate for the diameter of the speck of dust?

• 2 × 10^–5 in.

• 2 × 10^–4 in.

• 2 × 10⁵ in.

Tags

CCSS.8.EE.A.3

Write this number in scientific notation

Mathematical Equivalence

ON

Which of the following is true about 3.2 X 10^-6? Select all that apply.

• The standard form of the number is a large number that is more than one.

• The standard form of the number is a tiny number that is less than one.

• The exponent is negative because the number in standard form is a small number.

• The exponent is negative because the number in standard form is a large number.

Tags

CCSS.8.EE.A.3

Write this number in scientific notation

Mathematical Equivalence

ON

Tags

CCSS.8.EE.A.3

How is 750,000 written in scientific notation​ ​ (a)   (remember the place where the decimal is located)

• 7.5x10^5

• 75.x10^5

• 7.5x10^-4

• That's a big number

• 750x10^10

Tags

8.2.C