Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key


Play button


Play button




Click to flip

15 Cards in this Set

  • Front
  • Back
  • 3rd side (hint)
What are the first 8 digits of pi after 3.########
From left to right starting with ten-thousandths countdown 8 places.
...(ten-thousands) (thousands) (hundreds) (tens) (ones)(decimal point) (tenths) (hundredths) (thousandths) (ten-thousandths)...
TTH, TH, H, T, . , t, h, th, tth
What is the rule when rounding up?
If the last numeral being rounded is 5 or higher then you round up to the next tenth
231.45 rounded to the nearest tenth is 231.5.
231.44 rounded to the nearest tenth is 231.4.
What are the 3 basic rules for determining significant numbers?
1) All nonzero digits are significant.
2) All zeroes between significant digits are significant.
3) All zeroes that lie to the right of the decimal point and the last nonzero digit from the right are significant.
Round 742,396 to four, three, and two significant digits...
742,400 (four significant digits)
742,000 (three significant digits)
740,000 (two significant digits)
no hint
Round 0.07284 to four, three, and two significant digits:
0.07284 (four significant digits)
0.0728 (three significant digits)
0.073 (two significant digits)
no hint
Round 231.45 to four, three, and two significant digits:
231.5 (four significant digits)
231 (three significant digits)
230 (two significant digits)
no hint
when rounding addition and multiplication problems what are the basic rules?
For adding, use "least accurate place".

For multiplying, use "least significant digits".
no hint
The Distributive Property is written how?
a(b + c) = ab + ac
In numbers, this means, for example, that 2(3 + 4) = 2×3 + 2×4.
By the distributive property how would you rearrange the problem: 4x – 8
4x – 8 = 4(x – 2)
4x-8 = 4/x-8 = 4(x-2)
The Associative Property (or grouping/associating) is written how for addition? multiplication?
For addition, the rule is "a + (b + c) = (a + b) + c"; in numbers, this means 2 + (3 + 4) =
(2 + 3) + 4. For multiplication, the rule is "a(bc) = (ab)c"; in numbers, this means 2(3×4) = (2×3)4.
rearrange the associative property 2(3x)
The answer is not 6.
Simplify 2(3x), and justify your steps.
2(3x) is original (given) statement

(2×3)x by the Associative Property

6x simplification (2×3 = 6)
Explain the Commutative Property.
Commutative comes from commute or to move around. This property doesn't ask to simplify. Only to move around
How is the Commutative Property written?
For addition, the rule is "a + b = b + a"; in numbers, this means 2 + 3 = 3 + 2. For multiplication, the rule is "ab = ba"; in numbers, this means 2×3 = 3×2.
no hint