Determine whether the matrix is in row-echelon form. If it is, then determine also whether it is in reduced row-echelon form.
A. Yes; yes
B. Yes; no
C. No
Answer: C
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Determine the number of significant digits in the given approximate number.705.050
A. 6 B. 4 C. 3 D. 2
Write the number as indicated.An ocean covers approximately three million, six hundred sixty-nine thousand, seven hundred square miles. Write the number using digits.
A. 3,669,007 B. 3,669, 070 C. 3,669,700 D. 3,000,669,700
Provide an appropriate response.The difference between the smallest value in a set and the largest value is called the:
A. range B. mode C. mean D. median
When flowers known as "four-o'clock" are crossed, there is an incomplete dominance. A four-o'clock is red if the genotype is rr and white if it is ww. If rr is crossed with ww, a hybrid rw results. Suppose a population of 50% red four-o'clocks is mixed with a population of 50% white four-o'clocks. What percent of the population has each phenotype? ?
A. red 24%, pink 51%, white 25% B. red 25%, pink 49%, white 26% C. red 25%, pink 50%, white 25% D. red 22%, pink 49%, white 29% E. red 28%, pink 50%, white 22%