Write the following in scientific notation.420,000
A. 4.2 × 10-5
B. 4.2 × 105
C. 4.2 × 10-4
D. 4.2 × 104
Answer: B
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Find the distance between the points on a number line.- 
and - 
A. 
B. 
C. 
D. 
Evaluate the expression for the values given.abc + b2; a = 5, b = -3, c = 7
A. -114 B. -96 C. -108 D. 114
If a bag of chips costs c dollars and a bottle of orange juice costs j dollars, evaluate the expression c + j to find the total cost of the two items.Chips: $1.65, orange juice: $1.85
A. $3.40 B. $2.40 C. $2.50 D. $3.50
The consumption function of the U.S. economy from 1929 to 1941 is 
, where 
is the personal consumption expenditure and x is the personal income, both measured in billions of dollars. Find the rate of change of consumption with respect to income,
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?
A. 
B. 
C. 
D. 
E. 