remember that to put a number in scientific notation is necessary to have the first digit of the number different to 0, so

to calculate the order of magnitude, if the number is greater than 3.16, we assume it as a 10, so in this case as 7.654 > 3.16 we get that the order is

So the order is 10^-3
Answer:
like the 3rd in the cycle
Step-by-step explanation:
I do believe that question was answered here:
https://socratic.org/questions/how-do-you-simplify-square-root-of-5-open-parentheses-10-minus-4-square-root-of-
I'd explain here, but I'm really bad at square root stuff.
(Link is probably not clickable, but copy/paste should do the trick)
Answer:
Solve for the first variable in one of the equations, then substitute the result into the other equation.
2, -1
Step-by-step explanation:
You can download answer here
tinyurl.com/wtjfavyw