Please provide solutions to the following revision exercises: 1. What is the value of 5 in each of the following numbers? a) In 457, b) In 568, c) In 5743, d) In 8745. 2. Write these numbers in figure

Here are the solutions to the revision exercises. 1. What is the value of 5 in each of the following numbers? a) In 457, the value of 5 is 50 (tens place). b) In 568, the value of 5 is 500 (hundreds place). c) In 5743, the value of 5 is 5000 (thousands place). d) In 8745, the value of 5 is 5 (ones place). 2. Write these numbers in figures. a) five hundred and forty six: 546 b) six hundred and three: 603 c) four hundred and fifty: 450 d) ten thousand: 10000 e) eight thousand, nine hundred and thirty four: 8934 f) six thousand, four hundred and eighty: 6480 g) three thousand and six: 3006 3. Write these numbers completely in words. a) 52: Fifty-two b) 871: Eight hundred seventy-one c) 5624: Five thousand six hundred twenty-four d) 980: Nine hundred eighty e) 7001: Seven thousand one f) 35013: Thirty-five thousand thirteen g) 241001: Two hundred forty-one thousand one h) 1001312: One million one thousand three hundred twelve i) 342785: Three hundred forty-two thousand seven hundred eighty-five j) 3783194: Three million seven hundred eighty-three thousand one hundred ninety-four k) 305213097: Three hundred five million two hundred thirteen thousand ninety-seven 4. Write these numbers in figures. a) five hundred and sixteen thousand, two hundred and nineteen: 516219 b) two hundred and six thousand and twenty four: 206024 c) twenty one million, four hundred and thirty seven thousand eight hundred and sixty nine: 21437869 d) seven million, six hundred and four thousand and thirteen: 7604013 5. Write the following numbers as products of powers of primes. a) 12: 12 = 2 × 6 = 2 × 2 × 3 = 2^2 × 3 b) 18: 18 = 2 × 9 = 2 × 3 × 3 = 2 × 3^2 c) 36: 36 = 2 × 18 = 2 × 2 × 9 = 2 × 2 × 3 × 3 = 2^2 × 3^2 d) 45: 45 = 3 × 15 = 3 × 3 × 5 = 3^2 × 5 e) 48: 48 = 2 × 24 = 2 × 2 × 12 = 2 ×