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Study Quiz
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1
What is the value 5 in the power 54 called?
A)base
B)power
C)exponent
D)coefficient
2
What is the coefficient in the expression –2(–7)3?
A)7
B)2
C)–1
D)–2
3
Damian wrote the expression (45)2 as a repeated multiplication. How many 4s did he need?
A)30
B)10
C)7
D)4
4
Which expression is equivalent to (3 ÷ 7)5?
A)35 ÷ 7
B)3 ÷ 75
C)35 ÷ 75
D)15 ÷ 16 807
5
Express <a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070973407/645442/ML9_ch03_quiz_Q5.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (1.0K)</a> as a single power.
A)35
B)34
C)33
D)32
6
Evaluate (8 – 5)3 + 25 ÷ (–42).
A)11
B)25
C)29
D)43
7
Write as a single power: <a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070973407/645442/ML9_ch03_quiz_Q7.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (3.0K)</a>
A)24
B)25
C)26
D)27
8
Use exponent rules to evaluate <a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070973407/645442/ML9_ch03_quiz_Q8.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (1.0K)</a> without using a calculator.
A)81
B)27
C)9
D)3
9
The formula for the area of plastic needed to make a toy ball is A = 4πr2, where r is the radius of the ball. Determine, to the nearest square centimetre the area for a ball with a radius of 12 cm.
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070973407/645442/ML9_ch03_quiz_Q9.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (3.0K)</a>
A)1810 cm2
B)576 cm2
C)452 cm2
D)151 cm2
10
The distance travelled by a model rocket, in metres, while the engine is firing can be calculated from the equation
d = 25t3, where t is the time in seconds. How far will it travel, to the nearest metre, during a burn of 4.5 s?
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070973407/645442/ML9_ch03_quiz_Q10.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (27.0K)</a>
A)91 m
B)506 m
C)2278 m
D)1 423 828 m





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