Hey there!
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ANSWER: 
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EXPLANATION:</h2>

To write as power, you will see how many times you multiply the number 10.

Since it was multiplied 7 times, you would write it like this.

Hope this helps!

Answer:
-2
Step-by-step explanation:
Step 1. Copy the given expression.
(a + y)^2 + 2y =
Step 2. Replace each variable by the value given.
We are given a = 5; y = -3.
= (5 + (-3))^2 + 2(-3)
Evaluate the expression using the correct order of operations.
= (2)^2 - 6
= 4 - 6
= -2
Answer:
x = 5
Step-by-step explanation:
5 - 3x = - 10
<em>Subtract 5 from both sides:</em>
5 - 5 - 3x = -10 - 5
-3x = -15
<em>Divide -3 by both sides:</em>
-3x/-3 = -15/-3
x = 5
hope this helps!! p.s. i really need brainliest :)

so the 2nd equation is really the first equation in disguise.
since both equations are the same, that means if you graph them, is just one line pancaked over the other, and the solutions points is every single one on each, namely
infinitely many solutions.