Need with algebra
1. simplify. 5–1(3–2) (1 point)
a)45
b)1/45
c)...
Need with algebra
1. simplify. 5–1(3–2) (1 point)
a)45
b)1/45
c)15^–3
d)15^2
2. simplify. mn^-4/p^0q^-2 (1 point)
a)mq^2/n^4
b)mp/n^4
c)mn^4q^2p^0
d)q^2/mn^4
3. write in scientific notation. 0.0042 (1 point)
a)42 × 10^2
b)4.2 × 10^4
c)4.2 × 10^3
d).42 × 10^4
4. write in standard notation. 6.12 × 10^3 (1 point)
a)6,120
b)612
c)61,200
d)61.2
5. simplify. write in scientific notation. 0.5(8 × 10^5) (1 point)
a)8 × 5^5
b)4 × 5^5
c)8 × 10^5
d)4 × 10^5
6. simplify. write in scientific notation. (9 × 10^3)^2 (1 point)
a)8.1 × 10^5
b)81 × 10^4
c)81 × 10^3
d)8.1 × 10^6
7. evaluate 1/2a^4b^2 for a = –2 and b = 4. (1 point)
a)2
b)1/2
c)3
d)4
8. is the following statement always, never, or sometimes true?
a number raised to a negative exponent is negative. (1 point)
a)always
b)never
c)sometimes
9. simplify (4xy^2)^3(xy)^5 (1 point)
a)64x^8y^11
b)64x^15y^30
c)12x^2y^11
d)12x^8y^11
10. simplify (2t^3)^3(0.4r)^2 (1 point)
a)3.2r^2
b)1.28r^2/t^-6
c)1.28r^2/t^9
d)0.8r^2/t^-6
Answers: 1
Biology, 22.06.2019 16:00, rouchedavisin4
Which topic is most likely to be studied by bo which topic is most likely to be studied by botanist? insect metamorphosis, viral infection, plant growth, animal physiology
Answers: 2
Biology, 22.06.2019 19:30, angiepuma43
How does the fermentation of pyruvic acid in cells contribute to the formation of atp? a. it completes the oxidation of glucose to co2, creating atp. b. it generates lactic acid, which cycles back through the krebs cycle, producing 2 atp molecules. c. it converts fadh2 to phosphate, which bonds with adp. d. it produces 2 nad+ molecules, which cycle back to fuel the glycolysis reaction, allowing 2 atp molecules to be produced.
Answers: 1
Biology, 22.06.2019 20:30, akatherine1738
The human body maintains a temperature of around 98.6 degrees at all times. enzymes are involved in almost every chemical reaction in the body. which of the following describes the connection between these two statements? a. enzymes function best at a specific temperature. b. the body needs to be warm to prevent hypothermia. c. the body is kept relatively warm to prevent too much enzyme action. d. there is no connection between the two statements.
Answers: 1
Mathematics, 03.08.2019 13:00
History, 03.08.2019 13:00
Mathematics, 03.08.2019 13:00
History, 03.08.2019 13:00
Mathematics, 03.08.2019 13:00
Mathematics, 03.08.2019 13:00