Add. Do not use a number line except as a check.-1.7 + 6.8
A. 5.1
B. -8.5
C. 8.5
D. -5.1
Answer: A
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Provide an appropriate response.Add 4 qt + 3 pt.
A. 11 qt B. 10 qt C. 11 pt D. 10 pt
The number of homes with digital TVs is expected to grow according to the function
?
?
where t is measured in years, with t = 0 corresponding to the beginning of 2000, and f(t) is measured in millions of homes.
?
Round your answers to the nearest whole number.
?
How many homes had digital TVs at the beginning of 2000?
?
__________
?
How many homes will have digital TVs at the beginning of 2005?
?
__________
What will be an ideal response?
Find the distance between the point P(3, 6) and Q(2, 2). ?
A. 
B. ?
C. ?
D. ?
E. ?
Solve. Express the result in scientific notation. If necessary, round the decimal factor to two decimal places.In a state with a population of 2,000,000 people, the average citizen spends $6,000 on housing each year. What is the total spent on housing for the state?
A. $1.2 × 109 B. $1.2 × 1010 C. $12 × 1011 D. $12 × 1010