Negative Exponents, Zero Exponents, Scientific Notation

It is not proper to write answers with negative exponents. How do we "take care of" negative exponents?

• Write no solution if there is a negative exponent

• Just leave the negative exponent. It is mathematically okay.

Simplify--express your solution as a number with an exponent

Mathematical Equivalence

OFF

When dividing in scientific notation, what do you do with the exponents?

• Subtract them

• Divide them

• Keep them the same

• Make them equal

When dividing in scientific notation, what do you do with the constants?

• Subtract them

• Keep them

• Divide them

True or False: A negative exponent in scientific notation means the original number was negative

• True

• False

How many numbers can be in front of the decimal if the number is in correct scientific notation?

• Only a Zero

• One

• Two

• Any amount

How would you write 0.0005 in scientific notation?

• 50 x 10^-5

• 5 x 10^-4

• 5 x 10³

• .5 x 10³

Which of the following is correct scientific notation?

• 20.35 x 10⁴

• .2035 x 10⁴

• 2035 ⁴

• 2.035 x10⁴

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

• a really large number.

• a really small number.

What do you do to your exponents when you are dividing in scientific notation?

• Subtract

• Divide

• Multiply

• Add