Answer:
Alright so basically
Step-by-step explanation:
3
1
390
x 42
-------
1282
1564
----------------
the answer would be 16380
Hope this helped :)
Once the numbers have the same base and exponents, we can add or subtract their coefficients.Here are the steps to adding or subtracting numbers in scientific notation:Determine the number by which to increase the smaller exponent by so it is to the equal larger exponent
2.86-2.81=0.05
(0.05/3.86)x100=1.75%