Question 512 MarksIf y = 5 and z = 2, evaluate:100yzAnswer100yz= 100 × y × z= 100 × 5 × 2= 1000View full question & answer→
Question 522 MarksIf $x = 5$ and$ y = 4$, evaluate: $3y^2$Answer$3y^2$ $= 3 \times y \times y$ $= 3 \times 4 \times 4$ $= 48$View full question & answer→
Question 532 MarksIf $x = 5$ and $y = 4,$ evaluate: $3x^2y$Answer$3x^2y$ $= 3 \times x \times x \times y$ $= 3 \times 5 \times 5 \times 4$ $= 300$View full question & answer→
Question 542 MarksIf x = 5 and y = 4, evaluate:8xyAnswer8xy= 8 × x × y= 8 × 5 × 4= 160View full question & answer→
Question 552 MarksIf $x = 8$ and $y = 2,$ evaluate: $(4y)^2$Answer$(4y)^2$ $= 4 \times y \times 4 \times y$ $= 4 \times 2 \times 4 \times 2$ $= 8 \times 8$ $= 64$View full question & answer→
Question 562 MarksIf $x = 8$ and $y = 2$, evaluate: $5x^2y$Answer$5x^2y$ $= 5 \times x \times x \times y$ $= 5 \times 8 \times 8 \times 2$ $= 640$View full question & answer→
Question 572 MarksIf x = 8 and y = 2, evaluate:9xyAnswer9xy= 9 × x × y= 9 × 8 × 2= 144View full question & answer→
Question 582 MarksIf $a = 5$ and $b = 6$, evaluate: $2b^2$Answer$2b^2$ $= 2 \times b \times b$ $= 2 \times 6 \times 6$ $= 72$View full question & answer→
Question 592 MarksIf $a = 5$ and $b = 6,$ evaluate: $6a^2b$Answer$6a^2b$ $= 6 \times a \times a \times b$ $= 6 \times 5 \times 5 \times 6$ $= 900$View full question & answer→
Question 602 MarksIf a = 5 and b = 6, evaluate:3abAnswer3ab= 3 × a × b= 3 × 5 × 6= 90View full question & answer→
Question 612 MarksIf $m = – 7$, evaluate: $2m^3$Answer$2m^3$ $= 2 \times m \times m \times m$ $= 2 \times (− 7) \times (− 7) \times (− 7)$ $= 2 \times (− 343)$ $= − 686$View full question & answer→
Question 622 MarksIf $m = – 7,$ evaluate: $2m^2$Answer$2m^2$ $= 2 \times m \times m$ $= 2 \times (− 7) \times (− 7)$ $= 2 \times 49$ $= 98$View full question & answer→
Question 632 MarksIf $x = – 6,$ evaluate $: 2x^3$Answer$2x^2$ $= 2 \times (− 6)^3$ $= 2 \times (− 6) \times (− 6) \times (− 6)$ $= 2 \times (− 216)$ $= − 432$View full question & answer→
Question 642 MarksIf $x = – 6,$ evaluate: $4x^2$Answer$4x^2$ $= 4 \times (− 6) \times (− 6)$ $= 4 \times 36$ $= 144$View full question & answer→