Operations with Scientific Notation

What must be the same for numbers in scientific notation to be added or subtracted?

• The factors

• The powers of 10

• The decimal points

• The coefficients

When adjusting a number to ensure it is in scientific notation, what happens if the factor gets smaller?

• The power of 10 gets smaller

• The power of 10 gets larger

• The factor gets larger

• The decimal point moves to the right

What is the rule for multiplying numbers in scientific notation?

• Divide the factors and add the exponents

• Multiply the factors and add the exponents

• Add the factors and multiply the exponents

• Multiply the factors and subtract the exponents

How do you ensure a division result is in scientific notation?

• Add the exponents

• Subtract the exponents

• Multiply the exponents

• Divide the exponents

What should you do if a multiplication result has two significant digits to the left of the decimal?

• Add more digits

• Remove digits

• Move the decimal point to the left

• Move the decimal point to the right