Photo AI

Tom researches the weights of plant seeds - OCR - GCSE Maths - Question 2 - 2019 - Paper 6

Question icon

Question 2

Tom-researches-the-weights-of-plant-seeds-OCR-GCSE Maths-Question 2-2019-Paper 6.png

Tom researches the weights of plant seeds. - One poppy seed weighs $3 \times 10^{4}$ grams. - 250 pumpkin seeds weigh 21 grams. - One sesame seed weighs $3.64 \time... show full transcript

Worked Solution & Example Answer:Tom researches the weights of plant seeds - OCR - GCSE Maths - Question 2 - 2019 - Paper 6

Step 1

Compare the Weight of Poppy Seed

96%

114 rated

Answer

The weight of one poppy seed is given as 3×1043 \times 10^{4} grams.

Step 2

Calculate Weight of One Pumpkin Seed

99%

104 rated

Answer

To find the weight of one pumpkin seed, we divide the total weight by the number of seeds:

[ \text{Weight of one pumpkin seed} = \frac{21 \text{ grams}}{250} = 0.084 \text{ grams} ]

Step 3

Convert Weight of Sesame Seed to Grams

96%

101 rated

Answer

One sesame seed weighs 3.64×1063.64 \times 10^{6} kilograms. To convert this to grams, we multiply by 1,000:

[ 3.64 \times 10^{6} \text{ kg} = 3.64 \times 10^{6} \times 1000 \text{ grams} = 3.64 \times 10^{9} \text{ grams} ]

Step 4

Determine Order of Weights

98%

120 rated

Answer

Now we can compare:

  • Poppy seed: 3×1043 \times 10^{4} grams (or 30,000 grams)
  • Pumpkin seed: 0.084 grams
  • Sesame seed: 3.64×1093.64 \times 10^{9} grams

Thus, in order from lightest to heaviest:

  1. Pumpkin seed (0.084 grams)
  2. Poppy seed (30,000 grams)
  3. Sesame seed (3.64 billion grams)

Join the GCSE students using SimpleStudy...

97% of Students

Report Improved Results

98% of Students

Recommend to friends

100,000+

Students Supported

1 Million+

Questions answered

;