Blast from the Past
Write 425 in scientific notation
4.25 x 102
True or False?
Negative numbers are always less than positive numbers.
True
Order from greatest to least:
2/3, 1/5, 3/4, 1/2
3/4, 2/3, 1/2, 1/5
What's 20% as a decimal and fraction?
Decimal 0.2; Fraction 1/5
What's the square root of 225?
15
Which of the following has a different value than the others?
5 3/5, 5.6, 5 5/6, 560%
5 5/6
Order from least to greatest:
0.2, 4/5, -1/2, 3
-1/2, 0.2, 4/5, 3
What's 7/8 as a decimal and a percent?
Decimal 0.875; Percent 87.5%
True or false?
You move the decimal left when you multiply by a multiple of 10 with a positive exponent.
False, you move it right
True or False?
Scientifc notation numbers with a negative exponent will always be greater than negative numbers.
False, they can also be negative (not always, but they can) Ex: -1.3 x 10-3
Order in ascending order:
4.5676, 4.108, 4.673, 4.4444
4.108, 4.4444, 4.5676, 4.673
What's 65% as a fraction and a decimal?
Fraction 13/20; Decimal 0.65
What is 32 x 34?
729
Which of the following is NOT between -3 and 4?
A. -20/10 C. 13/4
B. 105% D. -3.1
D
Order in descending order:
10/3, 304%, 3 2/9, 3.1
10/3, 3 2/9, 3.1, 304%
What's 0.120 as a fraction and a percent?
Fraction 3/25; Percent 12%
Write 4-2 as a decimal.
0.0625
Compare using >, <, or =
Square root of 81 ___ 40/5
>
Order from least to greatest:
276%, 2 3/4, 2.72, 2 7/9
2.72, 2 3/4, 276%, 2 7/9
What's 554% as a fraction and decimal?