Section AAnswer all questions from this section.1Round off 0.0091142 correct to two significant figures. A 0.0092B 0.00910C 0.0091D 0.000912=A 1.6 1010B 1.6 109C 1.6 1010D 1.6 1093 Exress !.909 104 as a sing"e num#er. A 0.0!909B 0.00!909C 0.000!909D 0.0000!9094 A rectangu"ar f"oor of a schoo" ha"" has a "ength of 1$ m and a width of 16 m. %quare ti"es with "ength 16 cm is used to co&er the f"oor. 'a"cu"ate the num#er of ti"es required to co&er the f"oor com"ete"(. A 1.$ 10)B 1.$ 10!C *.12) 10$D *.12) 10)5)x + 4y 2z ,)x y + )z- =A $y !zB )y !zC 10x + $y + $zD 10x + )y !z16 .he diagram shows a rhom#us /012.3ind the &a"ue of xA 1*B 4)C !2D *67,h+k-,h4k- + h,h4k- =A 2h2+k24hkB 2h2-k24hkC 2h2+k2+hkD 4k24hk8A factor( me"ts the stee" #"oc5 and ma5e #a"" #earings6 each one with a mass of )g. 7i&en that the densit( of stee" is !*)0 5g8m$6 find the num#er of #a"" #earings roduced.[9ensit( = - ,- ,$m volumekg mass] A $.92) x 104B $.92) x 10!C 9.42 x 10$D 9.42 x 1069 1r. Ahmad wants to reno&ate his house so that the si:e of his "i&ing room area is increased 21m2m$m221)yx/yto )04 m2. ;f the "ength of the "i&ing room is 10m "onger than its width6 ca"cu"ate the width of the "i&ing room.A 1*B 2*C 116D 126104,x+2- 4 ,24$x-2 =A 9x2-16x2+4B 9x2-16x+4C 49x2+16x+4D 49x2-16x+4###### END OF QUES!ON "A"E###########$OOD %UC####