Find the indicated vector.Let u = 
, v = 
. Find 
u - 
v.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem. Express your answer in scientific notation, and round to one decimal place. In a state with a population of 7,000,000 people, the average citizen spends $6,000 on housing each year. What is the total spent on housing for the state?
A. $42 × 1010 B. $4.2 × 1010 C. $42 × 1011 D. $4.2 × 109
Mathematics
Use the fundamental counting principle to count the number of outcomes. A sports shop sold tennis rackets in 3 different weights, 2 types of string, and 4 grip sizes. How many different rackets could they sell?
A. 18 B. 24 C. 20 D. 9
Mathematics
Solve the equation by the Square Root Method.x2 = 81
A. {40.5} B. {9} C. {9, -9} D. {10, -10}
Mathematics
Write the number in standard form.2.36 × 104
A. 23,600 B. 2360 C. 94.4 D. 236,000
Mathematics