Answer:
Step-by-step explanation:
When we divide powers with the same base (in this case, that same base is 7), we can just combine the powers into one number with an exponent as the difference of the original exponents.
For example, here we have , which is equal to .
Now, we're taking the square of 7^3, so we just multiply the exponents:
Thus, the answer is .
Hope this helps!
The second choice is correct. We know that x is less than or equal to five, so there should be a mark at 5 with the arrow pointing left. Since the problem shows the less than or equal to sign, the circle should be filled in.
Answer:
12
Step-by-step explanation:
im smart, if wrong im not smart
Answer:
A. 7:21 = 3:9
Step-by-step explanation:
7 is to 21 as 3 is to 9.
Replace the word to with colons and the word as with the equals sign
7:21 = 3:9