Using the Power of a Power Property.
(1000)8= 10W
W=

x=-7

step-by-step explanation:

x+3=-10

-10+3=-7

x=-7

answer: list the statements and i will follow up!

step-by-step explanation:

answer: 4  

the square root of 16 is 4. it is a very simple mathematic concept. a square root when a number multiplied by itself will result in a number. here, the number 16 comes when 4 is multiplied by 4. hence the square root of 16 is 4. you can always figure out a square root by the inverse operation of squaring.