Answer:
the horizon is to inform that we are still here in a few days I have not what you mean about that language arts center for a while but not sure just asking for I don't have a
<h2>
Answer:</h2>

or
4 to the 21st over 5 to the 6th.
<h2>
Step-by-step explanation:</h2>
First, we need to write our expression. Let's do it step by step:
<u>4 to the 7th:</u>

<u>5 squared:</u>

<u>4 to the 7th over 5 squared:</u>

<u>4 to the 7th over 5 squared all raised to the 3rd power:</u>
<u>
</u>
Using the law of exponents:

Finally, the answer is 4 to the 21st over 5 to the 6th.
6545742
Untis= 2
Ten= 4
Hundred= 7
Thousand= 5
Ten Thousand= 4
Hundred Thousand= 5
Million= 6