Evaluate 1.2 × 0.05 + 0.4.

Simplification & Approximation · Question 25 of 71

Question 25

EasyOriginal question

Evaluate $1.2 \times 0.05 + 0.4$ .

0.46Correct answerYour answer0.54Correct answerYour answer1Correct answerYour answer4.6Correct answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer A

Correct answer: A

Multiply first: $12 \times 5 = 60$ , and there are $1 + 2 = 3$ decimal places, so $1.2 \times 0.05 = 0.060$ .
Then $0.06 + 0.4 = 0.46$ .

Worth noting

Adding first gives $1.2 \times 0.45 = 0.54$ ; writing $1.2 \times 0.05$ as 0.6 gives 1.

Ten questions from Simplification & Approximation, at your own pace.

Ten questions from Simplification & Approximation, at your own pace.