Because SI units are structured around powers of 10, you can shift the decimal point to convert; imperial units lack that base-10 organization, so the decimal-shifting method doesn't apply.
The least common denominator needed to combine the variable terms is 15. The least common denominator for the constant terms is 21.
Answer:
b
Step-by-step explanation:
The correct option is (B). Correcting the error will lead to a decrease in the mean, since 8 is less than 18, and it will also lower the standard deviation because the value of 8 is nearer to the mean compared to 18.
230 - 90 = 140
140 / 2 = 70
230 - 70 = 160
The yellow yarn is 160 inches longer
