Core Mathematics

Question 1

1Write 243,458 correct to 2 significant figures: ___

Medium

Your answer (fill in the blank)

Question 2

2Write 0.2291 correct to 3 significant figures.

Medium

A. 2.29 B. 0.229 C. 0.2291 D. 1.229

Question 3

3Write 932,683 correct to 3 significant figures: ___

Medium

Your answer (fill in the blank)

Question 4

4Write 242,658 correct to 2 significant figures: ___

Medium

Your answer (fill in the blank)

Question 5

5√16 is irrational.

Easy

A. True B. False

Question 6

6Express 0.4545… (recurring) as a fraction.

Hard

A. 45/100 B. 4/9 C. 5/11 D. 9/20

Question 7

7Write 0.1716 correct to 2 significant figures.

Medium

A. 0.172 B. 1.17 C. 1.7 D. 0.17

Question 8

8Express 0.7 recurring (0.777…) as a fraction.

Medium

A. 7/10 B. 1/7 C. 7/9 D. 77/100

Question 9

9Write 366.84 correct to 3 significant figures.

Medium

A. 366.8 B. 366.84 C. 367 D. 3,670

Question 10

10The reciprocal of 0.25 is

Easy

A. 4 B. 25 C. 0.4 D. 2.5