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Scientific Notation
Systems of Linear Equations
100
Write this number is scientific notation: 3,400,000
3.4 x 10^6
100
Is (1, 5) a solution of the system: 3x + y = 8 3x + 2y =11
No.
200
Write this number in standard notation: 9.34 x 10^-2
0.0934
200
Solve: y = 2x + 7 y - 2x = 12
No Solution!
300
Write the following number in scientific notation: 0.000435
4.35 x 10^-4
300
Solve: 5x + y = 11 y = -5x + 11
Infinite Solutions
400
The first number in scientific notation must be...
Greater than or equal to 1 and Less than 10
400
Solve: -6x + y = -9 6x + y = 15
(2, 3)
500
What does the exponent represent in scientific notation?
In which direction and how many places the decimal point has been moved.
500
Solve: 2x + y = 18 y = 2x - 6
(6, 6)