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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Solve the equation

Elan Coil [88]

Answer:

Step-by-step explanation:

You would first subtract 6x from both sides which will give you something like:

-4= 2x - 9

then you would add 9 on both sides which would give you

5 = 2x

which now you would divide 2 by both sides with would give you

5/2 = x

simplify it one more time

2.5 = x

3 0

3 years ago

Read 2 more answers

(√x+1/√x)^2find dy/ dx and substitute 2 in dy/ dx

lions [1.4K]

Hello,
That's better.

I suppose $y=( \sqrt{x} + \dfrac{1}{ \sqrt{x} } )^2 \\

y'=2*( \sqrt{x} + \dfrac{1}{ \sqrt{x} } )*( \dfrac{1}{2 \sqrt{x} } - \dfrac{3}{2x \sqrt{x} } )$

If x=2 then
$y'=2*( \sqrt{2} + \dfrac{1}{ \sqrt{2} } )*( \dfrac{1}{2 \sqrt{2} } - \dfrac{3}{2*2* \sqrt{2} } )\\
=2* \dfrac{2+ \sqrt{2} }{ \sqrt{2} } * \dfrac{1}{4*\sqrt{2} } *(-1)\\
=- \dfrac{2+ \sqrt{2} }{4}$

3 0

3 years ago

Which of these is not represented by one of the letters in PITI?

xenn [34]

The option not represented by one of the letters in PITI is (a) Title

<h3>How to determine the letter not represented?</h3>

The acronym is give as:

PITI

The meaning of the above acronym is:

P -> Principal
I ->Interest
T -> Taxes
I -> Insurance

From the list of given options, we can see that Title is not represented in the letters

Hence, the option not represented by one of the letters in PITI is (a) Title