Exponent Laws
Solve:
(1/5^-2)
25 or
5^2
Write 101325 in scientific notation.
1.01325*10^5
Rational numbers can be represented using _________.
FRACTIONS
Name the 2 perfect squares (one lower, one higher) nearest to the number below:
sqrt170
169and196
Simplify:
x^2*x^4*x^6*y^0
x^12*1 or x^12
Write 0.00092 in scientific notation AND find the number of significant digits it has.
2 significant digits
9.2*10^-4
If a decimal never terminates and never repeats, it is __________.
IRRATIONAL
Name the 2 perfect squares (one lower, one higher) nearest to the number below and approximate the number's value:
sqrt70
lower: 64; higher: 81
approximately: 8.1 to 8.3
Create an equivalent expression with only positive exponents:
7.1^-9/5.4^-7
5.4^7/7.1^9
Solve:
(6.02*10^3)+(3.14*10^2)
6.334*10^3
Which of the following numbers are RATIONAL?
sqrt2, pi, root(3)(8), sqrt121
root(3)(8), sqrt121
Name the 2 perfect cubes (one lower, one higher) nearest to the number below:
root(3)(44)
27 and 64
Create an equivalent expression with only positive exponents:
4^-9/(4^-6*4^-3)
4^9/4^9 or 1
Solve:
(6.28*10^5)/(3.14*10^2)
2*10^3
Which of the following numbers are IRRATIONAL?
pi-10, 0.bar3, 49/99, 0.3434392...
pi-10, 0.3434392...
Name the 2 perfect cubes (one lower, one higher) nearest to the number below and approximate the number's value:
root(3)(80)
64and125
root(3)(80)=8.3or8.4