Question

iv)
vi) Ind.
Describe what is meant by significant
figures and order of magnitude.
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Answer 1

Answer:

Here is the answer. Significant figures are the actual values that we use to answer. ... Also, we count the digits of the number starting from first non-zero digit , in the case of significant figures. Order of magnitude, on the other hand, is an exponential change in the power of 10 in the value of a quantity

Answer 2

I think it is correct answer