random questions
Write 0.5 repeated as a fraction
5/9
What are the three things that make a number rational ?
Can be written as a fraction, repeating decimal, terminating decimal
what is the square root of 64 ?
8
23 x 26
29
estimate 29,035 using powers of 10.
3 x 104
a3 = 216. What is a
a = 6
is √ 7 rational or irrational ?
irrational
What is the cube root of 343 ?
7
(52)4
58
How much bigger is 4 x 104 than 4 x 102
100 times greater
x2 = 81
x = 9 or -9
is 2.6767 rational or irrational ?
rational
Would you classify 115 as a perfect square, perfect cube, or neither ?
neither
65/63
62
write 9,297,500 in scientific notation
9.2975 x 106
(-3.2)0
1
is 24.5674324567... rational or irrational ?
irrational
What two perfect squares is √ 68 in between ?
64 and 81
8-2
1/82 or 1/64
write 6.3 x 10-5 in standard form
.000063
14(x-2), where x = 6
14/36 or 7/18
is 31.865 rational or irrational and why ?
rational because it is a terminating decimal
A square has an area of 169 square cm. What is the length of one of the sides of the square ?
13 cm
1/7-3
73
is 23 X 10-5 in scientific form ? Why or why not ?
no because 23 is not in between the numbers 1 and 10