factors - WordPress.com
... 5. 6 is a factor of a number that has 2 and 3 as its factors. We check if the number is even, and also if it is divisible by 3. The number 654 is even It is also divisible by 3 6 is a factor of 654 The number 453 is not even 6 is not a factor of 453 The number 772 is even It is not divisible by 3 6 ...
... 5. 6 is a factor of a number that has 2 and 3 as its factors. We check if the number is even, and also if it is divisible by 3. The number 654 is even It is also divisible by 3 6 is a factor of 654 The number 453 is not even 6 is not a factor of 453 The number 772 is even It is not divisible by 3 6 ...
Preview Sample 1
... a. (3.20 107) (1.720 105) = 5.504 1012 = 5.50 1012 The coefficient in the answer is expressed to three significant figures because one of the numbers being multiplied has only three significant figures. b. (1.00 103) (5.00 103) (3.0 10–3) = 15 103 = 1.5 104 To express the ans ...
... a. (3.20 107) (1.720 105) = 5.504 1012 = 5.50 1012 The coefficient in the answer is expressed to three significant figures because one of the numbers being multiplied has only three significant figures. b. (1.00 103) (5.00 103) (3.0 10–3) = 15 103 = 1.5 104 To express the ans ...
Mental arithmetic skills book
... To add 9 to a number you add 10 and take away 1 To add 11 to a number you add 10, then add another one To subtract 9 from a number take 10 away then add 1 To subtract 11 from a number take 10 away then take away an extra 1 To multiply a number by 5, multiply by 10 then half the answer To ...
... To add 9 to a number you add 10 and take away 1 To add 11 to a number you add 10, then add another one To subtract 9 from a number take 10 away then add 1 To subtract 11 from a number take 10 away then take away an extra 1 To multiply a number by 5, multiply by 10 then half the answer To ...
FREE Sample Here
... a. (3.20 107) (1.720 105) = 5.504 1012 = 5.50 1012 The coefficient in the answer is expressed to three significant figures because one of the numbers being multiplied has only three significant figures. b. (1.00 103) (5.00 103) (3.0 10–3) = 15 103 = 1.5 104 To express the ans ...
... a. (3.20 107) (1.720 105) = 5.504 1012 = 5.50 1012 The coefficient in the answer is expressed to three significant figures because one of the numbers being multiplied has only three significant figures. b. (1.00 103) (5.00 103) (3.0 10–3) = 15 103 = 1.5 104 To express the ans ...