Answer:

Step-by-step explanation:
Any positive integer power of 10 is the number of times 10 multiply by itself. In case power remain zero then the result will be just one.

As given, we need to write 1000 as a power of 10
∴ 
Answer:
the answer will be 2/5, - 6/5 or in decimal form the answer will be x = 0.4, -1.2
Step-by-step explanation:
as much as I would like to, I'm really not that great at explaining things
2........................................................<span>.</span>
Answer:
15/2
Step-by-step explanation:
Use the FOIL method.
(x-3)(x+5)
x^2 - 3x + 5x - 15
x^2 +2x -15
Please brainliest me if this helped; trying to level up!