math IB MYP grade 7 - significant figures

math IB MYP grade 7 - significant figures

10 Qs

quiz-placeholder

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math IB MYP grade 7 - significant figures

math IB MYP grade 7 - significant figures

Assessment

Quiz

others

Hard

Created by

Artanis L.

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of 4.56 x 2.8 rounded to three significant figures?
12.8
12.768
12.7
12.6

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many significant figures are in the number 0.000542?
5
3
2
4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are significant figures important in mathematical communication?
To make calculations easier
To make numbers look larger
To convey the accuracy and precision of numerical data
To make numbers look more precise

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the relationship between significant figures and the accuracy of measuring instruments or known values?
The more significant figures, the less accurate the instrument or value
The more significant figures, the more accurate the instrument or value
There is no relationship between significant figures and accuracy
The fewer significant figures, the more accurate the instrument or value

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When rounding a number ending with 5, what is the rule for rounding to the nearest significant figure?
Round up to the next number
Round down to the previous number
Round to the nearest even number
Round to the nearest odd number

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of 12.345 + 0.26 rounded to two decimal places?
12.5
12.61
12.605
12.6

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a rule for identifying significant figures?
Leading zeros are significant
Trailing zeros are significant if there is a decimal point present
Zeros between non-zero digits are significant
All non-zero digits are significant

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