Concept explainers
Interpretation:
The reason for exponent to be same while adding or subtracting two numbers in a scientific notation needs to be explained.
Concept introduction:
A decimal numeral system or base-ten positional numeral system is a standard system for denoting the integers and non-integers.
Answer to Problem 115A
Exponents should be same while adding or subtracting otherwise the results will not be correct.
Explanation of Solution
The exponents should be same for adding or subtracting two numbers because the exponential terms indicates how many decimal places a decimal is required to move but if exponents are not same or different, the numbers will not be added or subtracted correctly.
Exponents should be same while adding or subtracting otherwise the results will not be correct.
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