Question

Re
iv) Describe what is meant by significant
figures and order of magnitude.
If the measured values of two quant
y)
vi) In​

Answer 1

Explanation:

Signigicant figures indicates the precision of measurement.

Order of Magnitude-if a physical qunatity in scientific notation as a×10^b then exponent b of 10 is called order of magnitude of that quantity.

i)If ais equal or less than 5 then order of magnitude=b

ii)if a is greater than 5 or less than 10 then order of magn=b+1