anthonygoodwine827 anthonygoodwine827
  • 22-03-2024
  • Mathematics
contestada

(i) (7i) (-i)
Can someone please help me

Respuesta :

ozieltijerina
ozieltijerina ozieltijerina
  • 22-03-2024
So this is (7i)(-i)= 7(-1)(i)(i)= -7(i²) and remember that i²=-1 so

-7i²= -7(-1)=7

So

(7i)(-i)= 7

Hope this helps!!!! Give 5 star rating!!!
Answer Link

Otras preguntas

MORE HELP PLEASE!!!!!!!​
List the integers that satisfy both these inequalities.2x + 9 < 0 x > -12
Tina poured 2/3 of the juice from a 2 litter bottle while serving guests at a banquet. How many juice, in liters, is still left in the bottle?​
Eva is showing her work in simplifying (7. 3 – 7. 2) – 3. 8 + 3. 7. In which step did Eva make an error? Step 1: (7. 3 – 7. 2) – 3. 8 + 3. 7 Step 2: 7. 3 + (–7.
What are the two largest sources of revenue for states? How are they collected
When a thermometer is suspended in an insulated thermos that contain a block of ice, the temperature recorded on the thermometer drops. Describe the direction o
what is roosvelt's main objective in his four freedoms speech
When a disaster happens, drone's can ___ damaged buildings. They can also carry __ to people who are hurt
An example of a standard precaution includes
Which structure in the figure above produces bile? ABCD​