Scientific Notation
Write 0.028 in scientific notation.
2.8x10-2
Write 9.89 x 107 into standard form (as a regular number).
98,900,000
Is 7.9 x 103 rational or irrational?
Why?
Yes because 7.9 x 103 = 79,000 which is a whole number
Convert 400 km to m
40,000
What is 0.15 repeating as a fraction in lowest terms?
5/33
Write 0.000098 in scientific notation.
9.8x10-5
Write 6.89 x 10-5 into standard form (as a regular number).
0.0000689
Repeating decimals, terminating decimals, negative fractions, and perfect squares are all rational numbers.
True or False?
True
Convert
0.89 g to mg
89 Mg
COnvert 1/8 to a decimal
0.125
Write 24,567 into scientific notation.
2.4567 X 104
Write 1.023 x 10 3 into standard form (as a regular number).
1,023
Give an example of a number that is rational but not an integer.
Examples include:
-5/3, 8/11, 2/5
Convert 16.8 cm to m
0.168
Convert 5/6 to a decimal
0.8333...
Write .00004521 in scientific notation.
4.521x10-5
Write 1.24 x 105 into standard form (as a regular number).
124,000
Give three examples of rational numbers.
Teacher to check
Convert 0.9856 km to mm.
985,600
Order these from least to greatest:
-4.7676....
-17/3
-15/2
-15/2, - 17/3, , -4.7676...
Write 9,870,000,000,000 in to scientific notation.
9.87 x 1012
Write 5.534 X 10-6 into standard form (as a regular number).
0.000005534
What is the difference between a rational number and an irrational number? Give an example of each.
Rational numbers- numbers that can be expressed in the form of a/b where b is not equal to 0. Rational numbers can be terminating decimals, repeating decimals, whole numbers, integers, perfect squares.
Irrational numbers: can not express in the form of a fraction or ratio
Convert 789.56 mL to KL
0.00078956
Convert 5/12
04.1666....