Apublishing industry report predicts that magazine subscriptions will drop by 10% each year. if this prediction is correct, then how many subscribers will a magazine with 47,000 subscribers have in 9 years

Sanderson is having trouble with his assignment. his shown work is as follows: − 3 7 7 3 = − 3 7 × 7 3 = − 21 21 = −1 however, his answer does not match the answer that his teacher gives him. complete the description of sanderson's mistake. find the correct answer.