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3 years ago

Which of the following numbers is not expressed in scientific notation? Why is it not in scientific notation?

Mathematics

2 answers:

Nat2105 [25]3 years ago

7 0

Answer:

1. 19*10^8

2. B, C, D

the number has to be between 1-10 . it cannot be greater

Alekssandra [29.7K]3 years ago

5 0

Answer:

D. 19x10^8

Step-by-step explanation:

I has to be less than 10

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The value -2 is a lower bound for the zeros of the function shown below f(x)=4x^3-12x^2-x+15

NISA [10]

We are given

The value -2 is a lower bound for the zeros of the function shown below f(x)=4x^3-12x^2-x+15

So, firstly, we will find value of f(x) at x=-2

we will plug x=-2 into f(x)

we get

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we will plug x=-2

$f(-2)=4(-2)^3-12(-2)^2-(-2)+15$

now, we can simplify it

$f(-2)=-32-12\cdot \:4-\left(-2\right)+15$

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