Without finding the sum, determine if the sum of -4 + 2 will be positive or negative
2 answers:
You might be interested in
Answer with positive exponent = or
Answer with negative exponent =
===========================================================
Explanation:
The rule we use is
If we multiply two exponential expressions with the same base, then we add the exponents.
The base for each is 5. The exponents 4 and -7 add to -3.
This means
To convert to a positive exponent, we apply the reciprocal to the base. We go from 5, aka 5/1, to 1/5.
So,