Mathematics First Term 2023/2024 Examination

Express 10 000 000 000 in index notation

• 10¹⁰

• 10⁶

• 10^-10

• 10⁸

Write 71 thousandth in decimal

• 0.00071

• 0.0071

• 0.000071

• 00.071

Evaluate ( 5 x 10⁵ ) x ( 4.2 x 10⁶ )

• 2.1 X 10¹¹

• 21 X 10¹²

• 2.1 X 10¹²

• 2.1 X 10^-12

Express 0.0006 in standard form.

• 6 X 10^-3

• 6 X 10^-4

• 5 X 10^-5

• 5 X 10⁵

Write 3 x 10^-4 as decimal

• 0.0003

• 0.003

• 0.000003

• 0.03

Express 18 as a product of its prime factors.

• 2 X 3 X 3

• 2 X 2 X 3

• 2 X 9

• 2 X 3 X 3 X 3

Find the HCF of 36 and 60.

• 6

• 8

• 10

• 12

Find the difference between HCF and LCM of 72, 90 and 120

• 354

• 315

• 352

• 353

Find the LCM of 28 and 40.

• 282

• 280

• 285

• 283

Simplify -56 + 23 - 45

• 78

• -78

• 72

• 98