1.43 x 10^7. Scientific notation moves the decimal to express the answer in a single whole digit. The exponent becomes 10^7, because you moved the decimal one place to the left, so you add 1 to your original exponent of 10^6.
If AB is twice as large as A'B', the scale factor must be 0.5 to get from AB to A'B':
130 percent
Of means multiply
P * 800 = 1040
Divide by 800
P * 800/800 = 1040/800
P = 1.3
Multiply by 100 to get percent
130 percent
Answer:
Step-by-step explanation:
3x + 2·10 + 1·15 = (3x + 35) dollars
X^2 + x(x - 5) - x + 7
x^2 + x^2 - 5x - x + 7
2x^2 - 6x + 7
