3 years ago

Determine the sum: 21.6 x 10^4 + 5.2 x 10^7. Write your answer in scientific notation.

Mathematics

1 answer:

lana [24]3 years ago

6 0

Answer:

It's D

Step-by-step explanation:

Hope this helps :))

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Yes or no easy math plus another math question

Fed [463]

Answer:

10 yes 18 no 17 no

Step-by-step explanation:

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2 years ago

Phyllis invested 47000 dollars, a portion earning a simple interest rate of 4 percent per year and the rest earning a rate of 6

Alexandra [31]

Answer:

31000 dollars were invested at 4% interest rate.

16000 dollars were invested at 5% interest rate.

Step-by-step explanation:

Convert the interest rate into decimal and then write down two equations to solve for the unknowns.

$\begin{bmatrix}0.04x+0.06y=2200\\ x+y=47000\end{bmatrix}$

$\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:}\\\\x=31000,\:y=16000$

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3 years ago

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Harman [31]

Answer:

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Step-by-step explanation:

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3 years ago

Write in standard form 3+4i/2-6i

ziro4ka [17]

The answer would be 3-4i

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3 years ago

-x - y when x = -12 and y =2

kap26 [50]

Answer:

Step-by-step explanation:

Negative times a negative is a positive.

so 12-2=10

5 0

3 years ago

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