I think this is correct, Answer is <em><u>21</u></em>
Step-by-step explanation:
Step 1: Write down formula:
Step 2: Plug in b and c value in formula:
Step 3: Solve the exponents:
Step 4: Subtract 400 from both sides:
Step 5: Square root both sides:
Step 6: 29+21: 50
Step 7: 50-29: <u>21</u>
Answer:
I do not know. so go aks someone else
the awnser should be 4.47214 because it's the approximate value of 2√5
241/250