Test: Decimals I - Ambitious

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Question 1:   Multiply: 81.534 10 4
815340
81534
8153.4
8153400
Question 2:   Multiply: 0.00037 10 8
370000
370
3.7
37000
Question 3:   Divide: 16.4÷ 10 2
0.0164
164
1.64
0.164
Question 4:   Divide: 0.2÷ 10 4
0.0002
0.000002
0.00002
0.0000002
Question 5:   Round 23.4756 to three significant figures
23.475
23.4
0.234
23.5
Question 6:   Round 5.0154791 to four decimal places
5.01547
5.015
5.0155
5.0154
Question 7:   Convert 3 8 to decimal form
0.375
0.3
0.35
0.4
Question 8:   Convert 4 5 to decimal form
1
0.85
0.8
0.75
Question 9:   Convert 7 16 to decimal form
0.4375
0.4
0.45
0.5
Question 10:   Convert 0.875 to fractional form
2 3
7 8
5 6
3 4