Mathematics, 04.02.2020 15:52 goofy44
1. (you may get teacher with this during tutoring)
solve this expression: 6x7-3^2x9+4^3 (the “^” means raise to the power of)
insert parentheses in expression 2 so that it has a value of 19. then show why your expression has a value of 19.
5+4x2+6-2x2-1
2. (you must try this one on your own and show all your work)
solve this expression: 3x7-3^3x9+4^2 (the “^” means raise to the power of)
insert parentheses in expression 2 so that it has a value of 19. then show why your expression has a value of 25.
5+3x2+6-2x3-7
3. (you may ask your teacher for on this one)
the average distance from the sun to the planet mercury is about 58,000,000 km. the diameter of a human hair is about 0.0025 cm.
(a) what is the distance from the sun to mercury written in scientific notation?
(b) what is the diameter of a human hair written in scientific notation?
4. (you must show your work and try this one on your own)
(a) what is 46,700,000,000,000 written in scientific notation?
(b) what is 0.0035 written in scientific notation?
5. (you may ask your teacher for on this question)
solve:
a.) (4.5x10^3) x (2x10^3)
b.) (1.4x10^5)/(1.2x10^5)
the average mass of an adult human is about 65 kilograms while the average mass of
an ant is approximately grams. the total human population in the world is
approximately 6.84 billion, and it is estimated there are currently about 10,000 trillion
ants alive.
based on these values, how does the total the total mass of all living ants compare to
the total mass of all living humans?
6. (on your own; show all work)
a.) (2.5x10^6) x (3x10^6)
b.) (1.1x10^7)/(1.2x10^7)
7. see additional worksheet. can ask for on odds; evens are independent.
Answers: 3
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1. (you may get teacher with this during tutoring)
solve this expression: 6x7-3^2x9+4^3 (the...
solve this expression: 6x7-3^2x9+4^3 (the...
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