AFL/PLENARY CH-4 DECIMALS

What are decimals?

• A numeral expression with degree 2

• variable representation on integers where p=q

• an type of fractional expression which indulges and varies in different forms

• none of the above

Decimals can be added by __________

• Additive inverse

• Multiplicative inverse

• Subordinate inverse

• calculus inverse

What is 17.9+15.5 ?

• 33.6

• 33.4

• 10.34

• 45.54

What is 25.3 + 14.7 ?

• 39.9

• 38.5

• 41.0

• 40.0

How do you subtract decimals?

• By aligning the decimal points

• By using logarithms

• By converting to fractions

• By rounding off

Which of the following is a correct decimal representation?

• 50%

• 5/10

• All of the above

• 0.5

What is the result of 12.4 - 7.2?

• 4.2

• 6.2

• 5.2

• 3.2

Which of the following is an example of a decimal?

• 2

• 1/4

• None of the above

• 0.75

How do you multiply decimals?

• By converting to whole numbers

• All of the above

• By adding the decimal places

• By using the distributive property

If 9+9 + 18, so what is 19.19 ?