Answer:

Step-by-step explanation:
To find: a power that has a value greater than 140 and less than 145
Solution:
Take 
Here,
and 
That is 
Therefore,
has a value greater than 140 and less than 145.
The tenth place is the first number to the right of a decimal. To determine if you're rounding or not, check the hundred's place, 2 numbers to the right of a decimal, for 5 or higher. If it's .45, round to .5, if it's .44, round to .4
Your answer is 524.5, which is B.)
Step-by-step explanation:
hope it helps you......
Answer:
42
Step-by-step explanation:
(5+3) x 8 -22
8 x 8 -22
64 - 22
42