5 times 5 times 5 times 5 is 20
So just count by 5
Hope this help
Whole number because 7 is in front of the deciaml point
Answer:
8.1×10^12
Step-by-step explanation:
6.75×1.2=8.1 and power should be added 6+6=12 and answer is 8.1×10^12
Polynomial with real coefficients always has even number of complex roots. We know that one of them is 2 + 5i so the second one will be 2 - 5i and:

Answer B.