(4-6i)(6-8i)
24-32i-36i+48i²
24 + -68i - 48
-24-68i
Answer:
{7, -2}
Step-by-step explanation:
6x-7y=2
2x+3y= -10
multiply the second one by -3
6x-7y=2
-6x-9x=30
-16y=32
y= -2
2x - 6 = -10
2x= -4
x= -2
Answer:
1.45 meters
Step-by-step explanation:
Chlorine atom has 7 electrons in their valence shell
Well, 9 billion = 9,000,000,000 so in scientific form it would be 9 x 10^9 To get the exponent, just count the number of zeros, which for 9 billion we have 9
