Skip to main content

Number base trick

  •  To convert any base to base Ten






#Credit: Mr Ken • Boiling Point Tutorial


Comments

Post a Comment

Popular posts from this blog

Standard form - questions

▶️ Convert to standard form 1️⃣ Write 0. 000546 in standard form. A. 5460000 B. 546.0000 C. 5.460000 X 10⁴ D. 5.46 X 10¯⁴ 2️⃣ Write 18 in standard form .  A. 18 X 10¹ B. 1.8 X 10° C. 18.0 X 10² D. 1.8 X 10¹ 3️⃣ Write 8000 in standard form.  A. 8 X 10³ B. 0.8 X 10^8 C. 8000.0 X 10³ D. 8.0 X 10^8 4️⃣ Write (12)² in standard form.  A. 1.23 X 10³ B. 12.3 X 10² C. 1.44 X 10² D. 4.41 X 10² 5️⃣ Write 00.102 in standard form.  A. 0.0102 X 10³ B. 0.102 X 10³ C. 1.2 X 10¯² D. 1.02 X 10¯² 6️⃣ Write 71 + 0.5 + 0.002 in standard form.  A. 7.1502 X 10¹ B. 7.152 X 10¯⁴ C. 7.7 X 10¹ D. 7.7 X 10¯⁴ 7️⃣ Solve for x in the expression  70x + 25 =30. Leave your answer in standard form.  A. 7.1 × 10¯² B. 7.1 × 10² C. 7.85 × 10² D. 7.85 × 10¯² 8️⃣ What is 6.7 × 10⁴ written as an ordinary number? A. 67104 B. 67000 C. 0.0066 D. 670 9️⃣ What is 3 × 10¯² written as an ordinary number? A. 300 B. 3100 C. 0.031 D. 0.03 1️⃣0️⃣ How is 45,000 written in standard form? A. 45 × 10³...
Post a Comment
»»»

Mathematics - Probability

-PROBABILITY = Number of POSSIBLE EVENT Number of TOTAL OUTCOME   Question 1 Teams P and Q are involved in a game of football. What is the probability that the game ends in a draw? Options A) ⅔ B) ½ C) ⅓ D) ¼ Solution: In a football game, one team either wins or there is a tie. This means there are three possible outcomes: a win, a loss or a draw. Therefore, the probability of a draw is ⅓ The correct answer is C. Question 2 Given distribution of color beads: blue, black, yellow, white and brown with frequencies 1, 2, 3, 4 and 5 respectively. Find the probability that a bead picked at random will be blue or white. Options A) 7/15 B) 2/5 C) 1/3 D) 1/15 Solution: Total number of beads = 15. Number of white beads = 4. ⇒P(white) = 4/15 Number of blue beads = 1. ⇒P(blue) = 1/15 P(white or blue) = P(white) + P(blue) =5/15 🔶P(white or blue) = ⅓ The correct answer is C. Question 3 A die is rolled, find the probability that an even number is obtained. Options A. ⅙ B. ¼ C. ⅓ D. ½ Solution...
Post a Comment
»»»