Large and Small Numbers as a Power of 10

At a certain point, the Grand Canyon is approximately 1,600,000 centimeters across. Expression the number in scientific notation.

• 5,200,000

• 0.0000052

• 52,000,000

• 0.00052

Jeana's calculator display shows the number below:

What is scientific notation? (Select all that apply)

• A shorthand way to write very large or small numbers

• First number is a factor greater than or equal to 1 but less than 10

• Second number is a power of 10

• Use a '+' between the factors

• First number can be any number as long as you have a power of 10 as second number.

Which responses are written correctly using scientific notation?

• 0.43 X 10^-5

• 6.3 x 10⁵

• 580 x 10²

• 7.9 x 10^-2

• 7 x 10⁸

What is scientific notation?

• Easy way to write numbers that are confusing

• Way to represent small numbers only

• A way to express very large and very small numbers

• Exponents and multipliers.

• 155,000,000 kilometers

• 150,000,000 kilometers

• 0.0000000155 kilometers

• 0.0000000150 kilometers

A single Monarch egg may weigh as little as 0.00046 grams. What is this number in scientific notation?

When writing a number like 0.000038 in scientific notation, move the decimal to the right.

• True

• False