Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. BUK
  4. /
  5. Mathematics
  6. /
  7. 2015/2016
  8. /
  9. Q55
Question 55

Evaluate 3.0 × 101 - 2.8 × 10-1, leaving the answer in standard form

  • A. 2 × 10-1
  • B. 2 × 102
  • C. 2.972 × 101
  • D. 2.72 × 102
  • E. 2.97 × 103
Objective

Question details

Exam body
BUK
Subject
Mathematics
Year
2015/2016
Question no.
#55
Type
Objective
Previous · Q53Solve the equation 3a + 10 = a 2 Next · Q56 Evaluate 1⁄2 + 2⁄4 + 1 3⁄5

More from this paper

  • Q51Factorize 3a 2 - 11a + 6
  • Q52In a bag of oranges, the ratio of the good ones to the bad ones is 5:4 If the…
  • Q57A piece of cloth was measured as 6.10m. If the actual length of the cloth is…
  • Q58P and q are two positive numbers such that P>2Q. Which of the following…
  • Q59A trader makes a loss of 15% when selling an article. Find the ratio, selling…
  • Q60Make S the subject of the formula V = k⁄√(T-S)
See all Mathematics 2015/2016 questions
Teacha

Africa's learning & exam readiness platform. Built for students, tutors, and schools.

Platform

  • Courses
  • Mock Exams
  • Past Questions

For You

  • I'm a Tutor
  • I'm a School
  • Pricing

© 2025 Teacha. Built for African learners, tutors, and schools. Teacha is not affiliated with WAEC, NECO, or JAMB. All past questions are sourced from publicly available materials.

Privacy PolicyTerms of UseCookie Policy