Look at this estimate of the cost of a bag of pears that weighs 6.78 pounds. 1 dollar and 41 cents (6.78) almost-equals 1 dollar times 7 = 7 dollars. Which statements are true about the estimate? Check all that apply.
a. The estimate is correct.
b. The estimate is incorrect.
c. The exact product is less than 7.
d. The exact product is greater than 7.