An author published a book which was being sold online. The first month the author sold 11000 books, but the sales were declining steadily at 10% each month. If this trend continues, how many total books would the author have sold over the first 9 months, round to nearest whole number ?

$450

step-by-step explanation:

first, you have to multiply 150x2=300

next, you have to add 150+300= 450

oof cheaters cheat because they’re lazy that’s why i cheat xd

: )

step-by-step explanation:

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answer: -10

step-by-step explanation:

s(t) = 1 - 10t

s(x) = 1 - 10x

s(x + h) = 1 - 10(x + h)

            = 1 - 10x - 10h

s(x + h) - s(x) = 1 - 10x - 10h - (1 - 10x)

                      = 1 - 10x - 10h - 1 + 10x

                      = -10h

= -10