Multiplying and dividing by powers of 10
56 x 102
5600
2.473 (2 d.p)
2.47
Write these numbers from biggest to smallest:
18.3, 18.9, 18.1, 18.5, 18.6
18.9, 18.6, 18.5, 18.3, 18.1
8.8 - 3.4
5.4
0.9 x 2
1.8
Write whether 1, 2, or 3 is correct:
8 x 103 1. 800
2. 8000
3. 80,000
2. 8000
8.695389612 (4 d.p)
8.6954
Write the smallest number from each of the pairs:
1. 3.5, 9.1
2. 214.92, 311.67
3. 34.56, 43.562
1= 3.5
2= 214.92
3= 34.56
1 - 0.64
0.36
4.8 x 34
163.2
__mg=0.0025kg
83000
Work out 28.67284 - 3.42649, the answer round to the 2 d.p place
25.25
Write the smallest number from each of these pairs:
1. 0.22, 0.3
2. 5.6, 5.41
3. 25.67, 25.76
1= 0.22
2= 5.41
3= 25.67
-5.23 - -15.5
10.27
0.596 x 3856
2298.176
__t=65,700,000mg
0.0657
Answer the question by first rounding the numbers to the 3 d.p ,and then subtract:
26.799764 - 21.6592762
5.141
For each list write the numbers from least to greatest:
1. 42.449, 42.42, 42.441, 42.4
2. 9.09, 9.7, 9.901, 9.04, 9.99
1= 42.4, 42.42, 42.441, 42.449
2= 9.04, 9.09, 9.7, 9.901, 9.99
-15.98976 + 9.923408
-6.066352
Round your answer to the nearest degree of accuracy:
47.7/53 (whole number)
1
(256,000,000/107) - (0.000,049 x 105)
20.7
132.6199969876 + 864.4599969743
997.08000
Put the following answers in order of size (greatest to least):
1. 2110/100
2. 0.0208 x 100
3. 1.9 x 10
4. 2320/1000
5. 2000/1000
6. 0.23 x 10
2, 2.08, 2.3, 2.32, 19, 21.1
-146.27859 + 23.4476892
-122.8309008
Write your answer in the given degree of accuracy:
10.064/68 (2 d.p)
0.15