7.NS.1 Scientific Notation

Which of the following is correct scientific notation?

• 20.35 x 10⁴
• .2035 x 10⁴
• 2035 ⁴
• 2.035 x10⁴

Write 0.00000707 in scientific notation.

• 7.07 x 10^-6

• 7.07 x 10⁶

• 707 x 10⁸

• 707 x 10^-8

Write 2.08 x 10²  in standard form.

• 208
• 0.0208
• 20,800
• 0.208

The table shows the mass in grams of one atom of each of several elements. List the elements in order from the least mass to greatest mass per atom. (Hint: If the exponent is the same, you must compare the number part of scientific notation)

• hydrogen, carbon, oxygen, silver, gold
• hydrogen, oxygen, gold, siver, carbon
• carbon, oxygen, silver, gold, hydrogen
• gold, oxygen, carbon, silver, hydrogen

How do you write
8.317 x 10⁶
in standard form?

• 8, 371, 000
• 83, 170, 000
• 837, 100
• 8, 317, 000

Which is the largest?
4.8 x 10^-6
3.1 x 10^-4
9.2 x 10^-5
5.9 x 10^-5

• 4.8 x 10^-6
• 3.1 x 10^-4
• 9.2 x 10^-5
• 5.9 x 10^-5

The rule of scientific notation is to write all exponents with a base of ____.

• 50
• 5
• 100
• 10

What is scientific notation?

• A long way to write really short  numbers
• A short way to write really long numbers
• I don't know...
• None of the above

UNDERSTANDING
If the exponent is a positive number...

• you will get a number greater than 1

• you will get a number smaller than 1

UNDERSTANDING
If the exponent is a negative number...

• you will get a number more than 1

• you will get a number less than 1