Calculations Flashcards
For equations with numbers with 3 or fewer digits in them, use…
Long multiplication/subtraction/division/addition
What would I do for 3.3 x 0.04?
Multiply both numbers by 100, and when finished divide by 100 to get the finished answer.
What do I do when dividing decimals?
Multiply each number until you are dividing by a whole number, then do the division.
1 to the power of 10 effect is:
10 to the power of 0
100 to the power of 10 effect is:
10 to the power of 2
10 to the power of 10 effect is:
10 to the power of 1
1,000,000 to the power of 10 effect is:
10 to the power of 6
0.1 to the power of 10 effect is:
10 to the power of -1
0.001 to the power of 10 effect is:
10 to the power of -3
0.01 to the power of 10 effect is:
10 to the power of -2
0.000001 to the power of 10 effect is:
10 to the power of -6
The trick to knowing the power of 10 effect is:
Counting the digits of the number. (if it is a decimal, you count the digits and make the power a negative)
The trick to multiplying and dividing negative numbers is:
If the signs are the SAME the answer is POSITIVE
If the signs are DIFFERENT the answer is NEGATIVE