Scientific Notation, Rational, and Irrational

How would you write -5.6 x 10^-3 in standard form?

How do you write 8.317 x 10⁶ in standard form?

How would you write 4.3756 x 10⁴ in standard form?

What is scientific notation?

• A long way to write really short numbers

• A short way to write really large or really small numbers

• I don't know...

• None of the above

If the exponent is a positive number the original number was...

• a really big number.

• a really small number.

If the exponent is a negative number the original number was...

• a really large number.

• a really small number.

Convert this number to standard notation:

1.4 x 10^-2

Which of the following numbers is irrational?

• √8
• ¾
• 2
• -1.325

Which of the following is irrational?

• .4  repeating
• -4/5
• π
• .2

Which of the following is rational?

• .211232112421125. . . .
• π
• √25
• √12