Answer:
To multiply two numbers in scientific notation, multiply their coefficients and add their exponents. To divide two numbers in scientific notation, divide their coefficients and subtract their exponents. In either case, the answer must be converted to scientific notation.
Step-by-step explanation:
The total profit TechWiz made from MP3 and DVD players last week is
Explanation:
Let x represent the number of MP3 players TechWiz sold last week.
Let y represent the number of DVD players TechWiz sold last week.
The profit made by TechWiz on each MP3 player = $35
The profit made by TechWiz on each DVD player = $18
Total number of MP3 and DVD players TechWiz sold last week is 121
Number of DVD players TechWiz sold last week
The total profit TechWiz made from MP3 and DVD players last week is given by
Substituting in , we get,
Simplifying, we get,
Thus, the total profit TechWiz made from MP3 and DVD players last week is
Answer:
option A
Step-by-step explanation:
All the three angles are equal..
so it's AA similarity
(-infinity,-5]
(-infinity,-3]