Using standard form – quick exercise
Task 1: Big numbers
a) convert the standard form into a number (type in the box)
i) 3.40 x105
ii) 4.56 x108
iii) 8.4236 x103 to 2 significant figures
b) convert the number to standard form (click on the correct answer)
i) 45,3409 to 3 significant figures
45.3 x105
4.53 x105
4.54 x105
ii) 18,450,000,000,000,000
1.845 x 1016
18.45 x 1016
1845 x 1017
iii) 582
5.82 x103
5.82 x102
0.582 x104
Task 2: Small numbers
a) convert the standard form into a number (type in the box)
i) 3.40 x10-5
ii) 4.56 x10-8
iii) 8.4236 x10-3 to 2 significant figures
b) convert the number to standard form (click on the correct answer)
4.53 x10-4
4.53 x10-9
4.53 x10-5
ii) 0.000000000000006787 to 3 sig. fig. 6.79 x10-15
6.79 x10-16
6.78 x10-16
5.8 x10-3
5.82 x10-2
5.8 x10-2
i) 0.000045328 to 3 significant figures
iii) 0.0582 to 2 significant figures