Please help me. Thank you so much. Questions are attached. I need it by tomorrow. :(

1
I'll answer this, but it will take a while ok?
It's ok, thank you.
How many significant figures do you use?
I don't know what my teacher needs. This was given as a homework and we haven't discussed this yet. Thanks.

Answers

2014-07-15T21:06:42+08:00

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1) r = 84.63 cm

2) Density = 59.78 g/mL

3) Yes, it's alright to accept it because 5m = 16.4ft

4) The lot costs P 18,915.20

5) a. g = 4π²L/T²
   b. F = 4 kg·m/s² = 4 N


Solutions are attached :)
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