Respuesta :

Jenner1256
The first week is 10 x 1.4.
The second week is that answer x 1.4 etc.

So you are only multiplying the first week by 10.

{ [ 10 x 1.4) x 1.4] x 1.4}. Since multiplication is commutative, we don’t need the grouping symbols...

10 x 1.4 x 1.4 x 1.4

That s answer A

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