Is this a right triangle? Explain why or why not.
a=9
b=10
c=12
no because 181 does not equal 144
200
What do we use in math to express very large or very small numbers?
scientific Notation
200
Find the /-5 + 7/.
2
200
What is the LCM of 9 and 15?
45
300
Classify the following number -64 in the real number system
rational, integer
300
about 2000 bc egyptian engineers discovered a way to make a right triangle using a rope with 12 evenly spaced knots tied in it. They attached one end of the rope to a stake in the ground. At what knot location in what other locations should the other two stakes be placed in order to form a right triangle. draw a diagram.
c = 63.2
300
Write 6,700 in scientific notation.
6.7x10^3
300
Evaluate x/y if x = 27 and y = -9
-3
300
What is the GCF of 50 and 20?
2x5=10
400
3.333333 is what kind of number in the real number system?
rational
400
Solve:
a=23
b=76
c=x
*hint- its a decimal, round to the nearest tenth*
c=79.4
400
The diameter of a red blood cell is about 7.4x10^-4 centimeter. Write this number in standard form.
.00074
400
Simply -9 x 8 + ( 6 x -2) - /3/ + 4 ^ 2
-71
400
What is the LCM of 30, 21, 7?
210
500
order the set of rational numbers from least to greatest.
-2.9, -2.95, -2 9/11, -2 13/14
-2.95, -2 13/14, -2.9, -2 9/11
500
Solve:
a=x
b=15
c=90
*Its a decimal, round to the nearest hundredth*
a=88.74
500
Find the difference between 3.36x10^2 and 7.452x10^5
744840
500
Find the difference between the deepest part of Lake George and Brant Lake if Brant Lake is -108 feet and Lake George is -289 feet