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iogann1982 [59]
3 years ago
8

Help me find which is the mistake [will give brainliest and thanks}

Mathematics
1 answer:
klasskru [66]3 years ago
7 0
I hope this helps you

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39 decillion times 1550000000
MAVERICK [17]

Answer:

6.045e+43

Step-by-step explanation:

hope it helps

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If (n+1)!=90×(n-1)!,find n.​
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\displaystyle\bf\\(n+1)!=90\times (n-1)!\\\\(n-1)!\times n\times(n+1)=90\times (n-1)!~~~\Big|~:(n-1)!\\\\n(n+1)=90\\\\n(n+1)=9\times10\\\\n(n+1)=9(9+1)\\\\\implies~~\boxed{\bf n=9}

 

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3 years ago
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suter [353]
The last one because its like turning it into a fraction but your putting as a desamile or how ever you spell it
4 0
3 years ago
Identify the angles of rotational symmetry for the figure.
miss Akunina [59]
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3 0
3 years ago
A x b = 400<br> a ÷ b = 4<br>how much is b​
laila [671]

Answer:

4 x 100 = 400

400 ÷100 = 4

B= 100

Step-by-step explanation:

8 0
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