complete the following subtraction using significant figures.\n5.55555 x 10^5 μg - 5.55 x 10^5 μg =\nwhat is…

complete the following subtraction using significant figures.\n5.55555 x 10^5 μg - 5.55 x 10^5 μg =\nwhat is the mathematical answer before putting into scientific notation and before rounding using significant figures?\n5.55555 x 10^5 μg\n- 5.55 x 10^5 μg\n0.01 x 10^5 μg\n0.0056 x 10^5 μg\n0.0055 x 10^5 μg\n0.00555 x 10^5 μg
Answer
Explanation:
Step1: Subtract the coefficients
Since the exponents of 10 are the same ($10^{5}$), we subtract the coefficients: $5.55555 - 5.55= 0.00555$.
Step2: Multiply by the common power of 10
The result is $0.00555\times 10^{5}\ \mu g$.
Answer:
D. $0.00555\times 10^{5}\ \mu g$