Indicate whether each of the following can be determined exactly or must be measured with some degree of uncertainty: (a) the number of eggs in a basket (b) the mass of a dozen eggs (c) the number of gallons of gasoline necessary to fill an automobile gas tank (d) the number of cm in 2 m (e) the mass of a textbook (f) the time required to drive from san francisco to kansas city at an average speed of 53 mi/h

Explanation:

The Following can be categorized  by Exact or Uncertainly

(a)The number of eggs in a basket:Exactly

Because eggs is countable

(b)The mass of a dozen eggs:Uncertain

Because each egg can weigh differently

(c)The no of gallons of gasoline necessary to fill an automobile gas tank:Exactly

Because Volume of tank is known

(d)The number of cm in 2 m:Exactly

(e)The mass of a textbook:Exactly

(f)Time required to drive from San Francisco to Kansas city  at an average speed  of 53 mi/h: Uncertain

Because events like traffic and accidents might cause delay.

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