Concept explainers
For Exercise 21-30, simplify each expression.(See Example 2)
a.
b.
c.
d.
e.
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COLLEGE ALGEBRA COREQ ALEKS 360
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- Listen Converting 0.09225 x 10-1 fmol/pL to dmol/cL - the answer, in Scientific Notation with 3 significant digits, would be... O0.923 x 10-7 dmol/cL 9.23 x 10-7 dmol/cL 9 225 x 10-7 dmol/cL 9 00 x 10-7 dmol/cLarrow_forwardSally swam a total distance of 3 1/2 miles during the months of November and December. If Sally only swam 1/4 of a mile every day, which expression shows the number of days she went swimming? A. 3 1/2 x 1/4 B. 3 1/2 / 1/4 C. 3 1/2 + 1/4 D. 3 1/2 - 1/4arrow_forward1/8 + 4/6 +5/24 = ? I know the common denominator is 48, I can't remember what's next.arrow_forward
- 71 2. Write each expression as a simplified fraction WITHOUT a calculator. -2 a) () () d) 4-3arrow_forwardmatch each expression in the first column with its value in the second column in the figure belowarrow_forwardWhat is the expression written as a single power? a. 207. 206 b. (-4)ª - (-4)~5 A. a. 20 42 b. (–4) B. a. 20 13 b. (-4) ³ 3. O C. a 20 13 b. (-4) a. 20 -arrow_forward
- 24. Which expression is equivalent to ( ) given x # -8, x + -1, and x 1? X-8 A. 8(x+1) X-8 B. 8(x-1) C. x-1 8(x+1) x-1 D. x+1 23. The population of Henderson City was 3,381.000 in 1994 and grew at an annual rate of 1.8% per year. If this growth rate continues, what would you expect to be the approximate population of Henderson City in the year 2000? A. 3,696,000 B. 3,763,000 C. 3,798,000 D. 3,831,000 4*2 = 2. Which equation could be used to solve for x in the equation given? 2x 26. Consider the equation: A. x2 - x - 2 = 0 B. x2 - x - 1 = 0 C. 2x2 -x = 0 D. 2x2 -x - 1 = 0arrow_forwardTOPIC: Evaluating Combination Notation 1. Analyze and answer the following problems. Evaluate the expression -6 + 19C15. Find the unknown variable in „C5 = 126arrow_forwardCheck here for instructional material to complete this problem. Evaluate the following expression for a = 2, b= 6, and c= 3. ac-b+a ac - b+ a = (Type an integer or a simplified fraction.) View an example DELL F6 F7 F8 F9 F10 F11 "に }||ド & 6. 7 8. Yarrow_forward
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