To calculate B9, we can use the formula for geometric sequences:
Bn = B1 * (q^(n-1))
Plugging in the values we have:
B9 = 100000 (0.2^(9-1))B9 = 100000 (0.2^8)B9 = 100000 * 0.00390625B9 = 390.625
Therefore, B9 = 390.625.
To calculate B9, we can use the formula for geometric sequences:
Bn = B1 * (q^(n-1))
Plugging in the values we have:
B9 = 100000 (0.2^(9-1))
B9 = 100000 (0.2^8)
B9 = 100000 * 0.00390625
B9 = 390.625
Therefore, B9 = 390.625.