WorksheetsTest 2
Total questions: 15
Worksheet time: 2hrs 38mins
Name
Class
Date
1.
6x = 36
a)
5
b)
6
c)
7
d)
8
2.
56 + n = 61
a)
5
b)
10
c)
15
d)
20
3.
2x - 3 + 4x = 27
a)
12
b)
4
c)
5
d)
15
4.
7x + 10 = 24
a)
2
b)
3
c)
4 6/7
d)
-2
5.
6z + 3 -4z = 9
a)
z = 3
b)
z = 60
c)
z = 30
d)
z = 1
6.
−2v + v = 3
a)
4
b)
−5
c)
−3
d)
5
7.
The number below, when written in standard form is:
0.000 000 017 3a)
1.73 ×10−8
b)
1.73 ×108
c)
17.3 ×10−9
d)
1.73×10−9
8.
Which of the following are numbers in standard form?
a)
2 x 103
b)
2.3333 x 103
c)
0.2333 x 103
d)
23.33 x 103
9.
a)
8.9 × 10-4
b)
0.89 × 10-4
c)
8.9 × 10-3
d)
0.0089 × 10-3
10.
a)
x4
b)
4x3
c)
3x3
d)
4x2
11.
3.78 x 104 = ?
(a)
12.
Heri, Titi, and Ratna are planning a trip from the south pole to the north pole, which is a distance of 12 714 km. How would you write this distance in standard form?
a)
12.714 x 103 km
b)
1.2714 x 105 km
c)
127.14 x 102 km
d)
1.2714 x 104
13.
0.000 000 001 309
Write in standard form.
a)
1.309 x 109
b)
1.309 x 10-8
c)
13.09 x 10-10
d)
1.309 x 10-9
14.
write in ordinary number 5.7 x 10-3
(a)
15.
Can you help Rudi and Alex solve this exciting math puzzle?
271 Express this number as a power of 3!
a)
33
b)
3-3
c)
24
100 %
