Perform the following calculations without rewriting the numbers in decimal form.

Mathematics

1 answer:

Bingel [31]3 years ago

6 0

Answer:

After multiplication number will be $3.408\times \times 10^{28}$

Step-by-step explanation:

We have given numbers which has to multiply using scientific notation

That are $1.42\times 10^{15}\times 2.4\times 10^{13}$

We have to multiply the above number using scientific notation

We know that when two number are multiplied then there exponent power is being added

So when we multiply $1.42\times 10^{15}\times 2.4\times 10^{13}$ there power will be added and after multiplication number will be $3.408\times \times 10^{28}$

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Which of the following shows that polynomials are closed under subtraction when polynomial x + 5 is subtracted from 3x2 + 2x − 6

Art [367]

For this case we have the following polynomials:
$P = 3x ^ 2 + 2x - 6

Q = x + 5$
By subtracting both polynomials we have:
$P - Q = (3x ^ 2 + 2x - 6) - (x + 5)
$
What we must do is subtract terms of the same degree.
We have then:
$P - Q = 3x ^ 2 + (2x - x) + (-6 - 5)

P - Q = 3x ^ 2 + x - 11$
Answer:
$3x ^ 2 + x - 11$ will be a polynomial

3 0

3 years ago

Can anyone help me please i dont understand this

Katena32 [7]

Answer:

try doing this for each quesion

so you see the negative? well negative means less than more. then use your signs and try to get it done reply if you still dont understand

Step-by-step explanation:

4 0

2 years ago

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