Jackie incorrectly simplified the following expression. (4×10^6 )(2×10^3 ) + 1,000 Select each step that shows an error based solely on the previous step.
A. Step 1. (4 × 10^(-6 ))(2×10^3 ) + 10^3
B. Step 2. (4 × 10^(-6) )(3 × 10^3 )
C. Step 3. (4 × 3)(10^(-6) × 10^3 )
D. Step 4. (12 × 10^(-3 ))
E. Step 5. (1.2 × 10^(-4))

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

Carley bought a jacket that was discounted 10% off the original price. the expression below represents the discounted price in dollars, based on x, the original price of the jacket.

Questions 9-10. use the table of educational expenditures to answer the questions. k-12 education expenditures population indiana $9.97 billion 6.6 million illinois $28.54 billion 12.9 million kentucky $6.58 billion 4.4 million michigan $16.85 billion 9.9 million ohio $20.23 billion 11.6million 9. if the amount of k-12 education expenses in indiana were proportional to those in ohio, what would have been the expected value of k-12 expenditures in indiana? (give the answer in billions rounded to the nearest hundredth) 10. use the value of k-12 education expenditures in michigan as a proportion of the population in michigan to estimate what the value of k-12 education expenses would be in illinois. a) find the expected value of k-12 expenditures in illinois if illinois were proportional to michigan. (give the answer in billions rounded to the nearest hundredth) b) how does this compare to the actual value for k-12 expenditures in illinois? (lower, higher, same? )