Scientific Notation and Decimal Notation Quiz

What is the first step in evaluating expressions in scientific notation?

• Add the exponents directly.

• Use a calculator immediately.

• Remove the parentheses and rewrite the expression.

• Convert to decimal notation first.

When multiplying numbers in scientific notation, what should you do with the exponents?

• Add them.

• Multiply them.

• Ignore them.

• Subtract them.

What is the result of multiplying 3.42 by 1.1?

• 4.762

• 3.762

• 5.762

• 2.762

How do you convert a number from scientific notation to decimal notation?

• Move the decimal point to the right.

• Subtract zeros from the right.

• Add zeros to the left.

• Move the decimal point to the left.

In the second example, what is the product of 6.23 and 2?

• 12.46

• 13.46

• 11.46

• 14.46

Why is it necessary to adjust the number 12.46 to fit scientific notation?

• Because it is less than 1.

• Because it has more than one digit before the decimal.

• Because it is already in scientific notation.

• Because it is a negative number.

What is the exponent of 10 when converting 1.246 to scientific notation in the second example?

• 9

• 10

• 8

• 11

How many zeros are added when moving the decimal point 10 places to the right?

• 3

• 7

• 5

• 10

What is the final decimal notation value for the second example?

• 12,460,000,000

• 1,246,000,000

• 12,460,000

• 1,246,000

What is the key concept when multiplying like bases in scientific notation?

• Ignore the exponents.

• Subtract the exponents.

• Add the exponents.

• Divide the exponents.