Answer:
342
Step-by-step explanation:
So for this it's asking to multiply 10,000 glass beads by the length of 0.4 cm.
So to make it easier let's just make it a fraction.
This will make it 4/10 (because 0.4 is just 4 tenths of a whole number)
So now we can upscale the sizes to the proper ratio. This ratio being the thousands.
4000/10000
Meaning the answer is 4000cm in length.
Answer:
Hi! The answer is 
Step-by-step explanation:




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<em>Hope this helps!!</em>
<em>- Brooklynn Deka</em>
Is it a right triangle?? If so use the Pythagorean theorem (a2+b2=c2)