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Answer:
2/5 is the simplest form. But in decimal form it is 0.4
Step-by-step explanation:
2/5
=2 divided by 5
=0.4
Answer:

Step-by-step explanation:
The identity property means that whatever you put in is whatever comes out. Notice that if we multiply 1 with any number, we get that number back. So multiplying by 1 is the identity property of multiplication.
Answer:
πr²= 12.56
r²=12.56/3.14 = 4
r= 2
therefore , diameter = 2r = 2×2= 4 mm