SECTION B THEORY PARTS ANSWER FOUR QUESTIONS ONLY (1a) Add in base two 101011 and 110111 (5 marks) (1b)...

SECTION B THEORY PARTS
ANSWER FOUR QUESTIONS ONLY
(1a) Add in base two 101011 and 110111 (5 marks)
(1b) Convert 23 in base ten to a number in base two (5 marks)
(2a) Express the following numbers to 2 decimal places (i) 34.875 (ii) 0.003812 (iii) 2.7513 (iv) 82.13 (v) 0.4582 (5 marks)
(2b) Simplify {-5(-5) - 3(-6)} (5 marks)
(3a) Simplify the following (i) 3x⁴ - 8m - 6x + 8y - 3m - 7y (ii) 3j + 4s + 4j + 2s (6 marks)
(3b) Simplify 2(6 + 5) (4 marks)
(4a) Find the L.C.M of 8, 12, and 20 (5 marks)
(4b) Change the following mixed fraction to improper fraction (i) 2 3/5 (ii) 7 2/4 (4 marks)
(5) Simplify the following by removing bracket (a) 7(4r + 3) + 6(2r - 4) (5 marks)
(5a) Write out the place value of 5 in the following numbers (i) 4567 (ii) 3056 (iii) 1235 (iv) 5678 (4 marks)