5. Evaluate (11.2)^2-(0.375div 3) and express your answer: (1 mark) (a) to the nearest hundred. (1 mark) (b) to two significant figures. (1 mark) (c) to two decimal places. (1 mark) (d) in standard form. (1 mark)

Question

5. Evaluate (11.2)^2-(0.375div 3) and express your answer: (1 mark) (a) to the nearest hundred. (1 mark) (b) to two significant figures. (1 mark) (c) to two decimal places. (1 mark) (d) in standard form. (1 mark)

Answer 1

To evaluate \((11.2)^{2} - (0.375 \div 3)\) and express the answer in different formats, let's break it down step by step:1. Calculate \((11.2)^{2}\):

2. Calculate

:

3. Subtract the results:

Now, let's express the result in the required formats:(a) To the nearest hundred:

(b) To two significant figures:

(c) To two decimal places:

(d) In standard form:

So, the correct answers are:(a) 100(b) 130(c) 125.32(d)

Question

5. Evaluate (11.2)^2-(0.375div 3) and express your answer: (1 mark) (a) to the nearest hundred. (1 mark) (b) to two significant figures. (1 mark) (c) to two decimal places. (1 mark) (d) in standard form. (1 mark)

Solution

Resposta