Answer:
When you multiply expressions with the same base, you add exponents
Step-by-step explanation:
The exponent "product rule" tells us that, when multiplying two powers that have the same base, you can add the exponents. In this example, you can see how it works. Adding the exponents is just a short cut! The "power rule" tells us that to raise a power to a power, just multiply the exponents.
Answer:
the 3rd one
Step-by-step explanation:
i graphed it mentally and found out the slope was 2 and the y intercept is 1
Answer:
first one is simnple cross multiply and divide
12*7=4x
84=4x
x=21
2nd same process but more steps
7x=5(x+8)
7x=5x+40
7x-5x=40
2x=40
x=20
Step-by-step explanation:
48.07 will be the answer. Find the number in the hundredth place 7
and look one place to the right for the rounding digit 3.
Answer:
x+14
Step-by-step explanation:
(12+x)+2
12+x+2
x+(12+2)
x+14