1.1.3 Decimals Flashcards
1
Q
How would 0.467 be written in fractions?
A
4/10 6/100 7/1000
2
Q
When multiplying a decimal by ten how many places do you move it left or right?
A
1 place right.
3
Q
What counts as 2 decimal places?
A
Two numbers after the decimal point.
4
Q
How do you work out the significant numbers?
A
The total numbers in the number.
5
Q
How many significant numbers in 39.38?
A
4.
6
Q
What is 8.1925 to 4 significant figures?
A
8.193.
7
Q
What is a rough check for calculation?
A
A check using approximate figures to check the correct placement of the decimal point.
8
Q
How would you convert 0.32 to a fraction?
A
Put it over 100 and simplify.
9
Q
How do you convert fraction to decimal?
A
Use long division to divide top by bottom?
