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Tems11 [23]
3 years ago
7

Addinfg in scientific notation 9x10^3 +2.3x10^4=

Mathematics
1 answer:
Vladimir [108]3 years ago
4 0

Answer:

3.2 ×  10^4

Step-by-step explanation:

Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the  10 . If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

3.2  ×  10 ^4

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tyreee bought a collection comic book for 49.62 last year.this year he would sold it for 52.10 find the percent of change.
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Answer:

The percentage increased by approximately 5%.

Step-by-step explanation:

52.10 - 49.62 = 2.48

2.48/49.62 x 100 = 4.998%

The percentage increase in the price is approximately 5%. Hope this helps! :)

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3 years ago
Decide if the answer to 8/7 x 12 is less than, greater than, or equal to 12.
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2 years ago
Select all the expressions that are equivalent to the polynomial below.
katrin2010 [14]
The answers are: D and C and A and E
because: 


B 3(x - 5) - 2(6x2 + 9x + 5)=<span><span><span>−<span>12<span>x^2</span></span></span>−<span>15x</span></span>−<span>25

</span></span>F (4x2 - 13x - 7) - (16x2 + 9x - 5)=<span><span>−<span>12<span>x2</span></span></span>−<span>22x</span></span>−<span>2

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

Assuming figure to be trapezoid,

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2 years ago
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