Tom researches the weights of plant seeds.
One poppy seed weighs 3 x 10-4 grams
250 pumpkin seeds weigh 21 grams.
• One sesame seed weighs 3.64 x 10-6 kilograms.
Write the three types of seed in order according to the weight of one seed.
Write the lightest type of seed first.
You must show how you decide.

Q&A Education