$\frac{x^a}{x^b}=x^{a-b} \\ x^{-a}= \frac{1}{x^a} \\ \\ \\ \frac{10^{-9}}{10^{-3}} =10^{-9-(-3)}=10^{-9+3}=10^{-6}= \frac{1}{10^6} = \frac{1}{1000000} =0,000001$

8 0

3 years ago

Help...this is due in a few hours

Mrrafil [7]

Answer:

Step-by-step explanation:

14+7=21.

You do this to allow you to get that outcome, because you know 7*7=49.

Therefore 21-14=7

7*-7=49

6 0

3 years ago

PLS HELP ASAP<br> look at the pic

lara [203]

Answer:

Step-by-explanation:

The correct answer isn’t a choice, not to mention all of those options are in meters squared....which would make those windows massive, larger than the square footage of most houses.

8 0

3 years ago

The equation 3x + 7 = y represents a function. Write it using function notation.

umka2103 [35]

Answer:

3x+7=10x

Step-by-step explanation:

you are just adding 7+3 then you add the vairable term

4 0

3 years ago

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