This question gets me confused everytime when I see this. It's called " Signs of Expressions challenge".
need help!!
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Answer:
Negative
Step-by-step explanation:
(-2)^4 will be positive because the exponent is even.
(-3)^7 will be negative because the exponent is odd.
An positive number times a negative number is negative, so we know the result will be negative.
Look at the attached image for further clarification.
Answer:
Step-by-step explanation:
[tex]\text{Let}\ a<0\ (negative\ number).\\\\a^n>0\ \text{if}\ n\ \text{is even}\\\\a^n<0\ \text{if}\ n\ \text{is odd}\\\\\text{We know:}\\\\(-)(-)=(+)\\(-)(+)=(+)(-)=(-)\\(+)(+)=(+)\\==========================\\\\(-2)^4>0,\ \text{because}\ 4\ \text{is even}\\\\(-3)^7<0,\ \text{because 7 is odd}\\\\(-2)^4\cdot(-3)^7\to(+)(-)=(-)\to(-2)^4\cdot(-3)^7<0[/tex]