Answer:
The exponent will be 4*10^11
Step-by-step explanation:
^11 This means 11 is an exponent on top.
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Answer:
Step-by-step explanation:
common ratio is -3
10-3=7
7-3=4
4-3=1
etc
Ok we need a common coefficient of either x or y:
12x+21y=3
12x+40y=60
We can subtract one from the other to get:
19y=57
Now divide by 19 to get:
y=3
Now if we sub this back in we see that:
3x+30=15
3x=-15
x=-5
Answer:
Step-by-step explanation: