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Aleonysh [2.5K]
3 years ago
10

Write the number below in scientific notation, incorporating what you know about significant digits. 67,890,000

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
7 0
The answer would be: 67.89 x 10^6

The rules of significant numbers used:

- any non-zero digit is significant
- zeroes that are in the right side of the non-zero whole number would not be significant

Thus, only the significant numbers left in the equation:

67.89 x 10^6
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Step-by-step explanation:

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3 years ago
What is 5 to the power of 5 - 9 (200 divided by 4) - (10x90) divided by 5 - (4 to the power of 4) x 5 + 156 - 256
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5^5-9(200/4)-(10*90)/5-4^4(5)+156-256

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= 3125-450- (10*90)/5-(4^4)(5)+156-256

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= 2675 - 900/5 - (4^4)(5)+156-256

= 2675 - 180 - (4^4)(5)+156-256

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I hope that's help , please if you have question(s) just let me know !


6 0
3 years ago
2 less than five times a number.
Reika [66]

Answer:

X will be the number.  

5 times that number X is 5X

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Hope this helps! Plz mark brainliest! (づ ̄3 ̄)づ╭❤~

8 0
3 years ago
Read 2 more answers
+
sineoko [7]

Answer:

The answer is D.

Step-by-step explanation:

40.5 multiplied by 21 is 850.5

7 0
3 years ago
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