Answer:
r = 1.9
Step-by-step explanation:
7r + 7 = 20.3
<u> - 7 - 7 </u>
7r = 13.3
divide by 7
r = 1.9
7.8456 x 10^(-4)
this means you move the decimal place to the left 4 places to get the actual value
Step-by-step explanation:
rjrurjrrmrjrjrnrbrbdu
Is it 3g? idk sorry i need points
