Answer:
36.25
Step-by-step explanation:
The three in 20.342 has a value of 0.3, so a three one hundred times greater would be 0.3 times 100, which is 30.
Next, find the choice that has a three in the ten's place, which represents a 30.
Couldn’t quite read everything, the writing is very light. But from what I could read, it was correct for the most part. :)
Answer:
$9$
Step-by-step explanation:
Given: Thea enters a positive integer into her calculator, then squares it, then presses the $\textcolor{blue}{\bf\circledast}$ key, then squares the result, then presses the $\textcolor{blue}{\bf\circledast}$ key again such that the calculator displays final number as $243$.
To find: number that Thea originally entered
Solution:
The final number is $243$.
As previously the $\textcolor{blue}{\bf\circledast}$ key was pressed,
the number before $243$ must be $324$.
As previously the number was squared, so the number before $324$ must be $18$.
As previously the $\textcolor{blue}{\bf\circledast}$ key was pressed,
the number before $18$ must be $81$
As previously the number was squared, so the number before $81$ must be $9$.
Answer:
b
Step-by-step explanation: