<em><u>Solution:</u></em>
<em><u>Given expression is:</u></em>
In exponents,
When the base is same, exponents can be added
Which means,
Therefore,
Thus the given expression as single exponent is:
Answer:
D). 4^-2
Step-by-step explanation:
Just did it on edge.
the second 3 (from the left) is in the hundreds place so we look at the 1st 7 (from the left) to determine how to round
since 7 is 5 or greater, we round the 3 to a 4
3400
Choice D
ummmmmmmmmm......... ok?