Mathematics: When Steven celebrated his first birthday, his grandmother gave him $1. For each birthday after that, she doubled the amount of money that she gave him for the previous birthday. By the time Steven turned nine years old, how much money had his grandmother given him?

When Steven celebrated his first birthday, his

kaylanweston

05.02.2022

Step-by-step explanation:

the amount gave on his first birthday=$1

therefore,

1,1*2,1*2*2,1*2*2*2,1*2*2*2*2,1*2*2*2*2*2,1*2*2*2*2*2*2,1*2*2*2*2*2*2*2,1*2*2*2*2*2*2*2*2,1*2*2*2*2*2*2*2*2*2

therefore ,1,2,4,8,16,32,64,128,256

therefore money given at the age of 9 is $256

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Retzzi

09.03.2023

It is 8x because you're adding them not multiplying them. If you were multiplying it would be8x^2

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