If every foot of water in the lake blocks 60% of the light, how much of the light passes through 5 feet of water?

If every foot of the lake can block 60% of the light above, what percentage of the light can reach a depth of 5 meters?

Answer: m = 60% x 60% x 60% x = 0.07776 = 7.776%.

Raul invested 1000 USD in a savings account, and the annual compound interest of this account was 5%. How much money will be in his account in five years?

Raul put $65,438+$0,000 into his savings account, with compound interest of 5% every year. How much money is there in his account after five years?

Answer: m = $1000+$1000 x 5% x 5 = $1250.