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Elena-2011 [213]
3 years ago
5

How to do (4x10^3) + (4x10^4)?

Mathematics
2 answers:
Fittoniya [83]3 years ago
7 0

Hey there!

\bold{(4\times10^3)+(4\times10^4)}

\bold{The \ steps\downarrow}

  • \bold{10^3=10\times10\times10=\rightarrow1,000}
  • \bold{(4\times1,000)+(4\times10^4)}
  • \bold{10^4=10\times10\times10\times10=\rightarrow10,000}
  • \bold{4\times1,000=4,000}
  • \bold{4\times10,000=40,000}
  • \bold{4,000+40,000=44,000}
  • \boxed{\boxed{\bold{Your\ answer:44,000}}}\checkmark

Good luck on your assignment and enjoy your day!

~\frak{LoveYourselfFirst:)}

Ivan3 years ago
3 0
Solution:
4 \times 10 {}^{3 }  = 4 \times 1000 = 4000 \\ 4 \times 10 {}^{4}  = 4 \times 10000 = 40000 \\ 4000 + 40000 = 44000
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ANSWER: 46.8


39% of 120

The word "of" means multiplied. So you will have to multiply 39% x 120

To do that, first step is to change the percent (39%) into a decimal


39% = 0.39  (You move the decimal twice to the left, not right)

There's an invisible decimal behind 9 so ALWAYS move it twice.

= 39(.)⇒ 0.39


Then your final step is to multiply

120 x 0.39


    1 2 0

x 0 . 3 9   ← notice this decimal

_______                    ∨

 1 0 8 0                     ∨

+ 3 6 0 0                    ∨

_______                    ∨

  4 6 8 0          There's an invisible decimal before the 0. Move that decimal two times to                                  the left.   4680(.)⇒ 46.8


4 0
3 years ago
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Step-by-step explanation:

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PtichkaEL [24]

Answer:

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Step-by-step explanation:

Here we need to remember some things:

Integer numbers are closed under multiplication.

This means that for two integers a and b, the product a*b is also an integer.

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An irrational number is a number that can't be written as the quotient of two rational numbers.

Now let's see the statement:

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Answer:

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Here in this question, we are interested in calculating Paige’s net income for December

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From the question, monthly wage = $1,850 while the total expenses = $900

Thus, the net income will be ; $1,850 - $900 = $950

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