# Block 1 and 4 revision

```Math
Block ()
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Revision Block 1 and 4
1) Simplify : (Give all answers with positive indices only)
c)
d)
e)
2) simplify
a)
b)
c)
d)
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3)
5) Express 5!&quot; as a power of 25.
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#
6) Write \$ as a power of 2
%
7) Work out (\$)&amp;!
8)
'! &times;'&quot;
'#
as a single power of 7
!!
9) &quot; # = 5%
! &times;!
Find the value of n
10) 280 = 2) &times; 5 &times; 7
Find the value of n.
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11) 𝑆 = 2\$ &times; 3 &times; 7!
,
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𝑇 = 2 &times; 5% &times; 7%
Find the highest common factor (HCF) of S and T.
12) Here is a calculation 47 &times; 28 = 1316.
Use this calculation to complete these statements
a) 0.47 &times; 2.8 = 1316 &divide; .......
b) 13.16 &divide; 2.8 = .......
13) write each as a single fraction in its simplest form.
a)
b)
#
\$
+
'
\$&amp;
%
\$&amp;
\$ −
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(
&amp;
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Math
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c)
(
%\$
+
Name:
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'
()\$ \$
(
(
\$
\$&amp;* \$
d) +
Date:
+
(
\$ \$ &amp;*
14)
Use this information to write down an expression for the nth term of the sequence beginning
2,
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11 ,
22,
35,
50
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Math
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15)
16)
....................................................................................................................................................
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17)
18)
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Math
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19)
a)
b)
.....................................................................................................................................................................
....................................................................................................................................................................
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Math
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!
20) 𝑓 = 𝑥 &quot; 𝑦 #
&quot;
Find the value of f when 𝑥 = −5 and 𝑦 = −3
21) Find the GCD for (136,215)
Use Euclidian Algorithm
22)
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Math
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23)
Workout the value of x.
24)
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25) Put a ring around the data source which is not secondary.
Internet
Interview
Reports
Books
26)
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Journal articles
Math
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27)
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28)
29)
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Math
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30)
Work out the surface area of the prism
31)
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Math
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32)
33)
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Math
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34)
35)
36)
37)
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Math
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38)
39)
(b)
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