2 years ago

How many kilometres on the ground is represented by 9 cm on the map?

Mathematics

1 answer:

Aloiza [94]2 years ago

3 0

Answer:

22500

Step-by-step explanation:

You have to multiply 9 by 25000.

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A certain food has a gluten ratio of 13mg of gluten per L of the food what is the gluten ratio in micrograms per milliliter

ArbitrLikvidat [17]

Given:

The gluten ratio is 13 mg per L of food.

Note that

1 L = 1000 mL (milliliter)

1 mg = 10⁻³ g

1 μg = 10⁻⁶ g

Therefore

1 mg = 1000 μg

Answer: The gluten ratio is 13 μg/mL

5 0

3 years ago

Write 0.00005974 in scientific notation.

larisa86 [58]

Answer:

Step-by-step explanation:

For correct scientific notation, we need to have 1 number to the left of the decimal, and everything else to the right. Since our number is already less than 1, the exponent representing the number of places we move the decimal will be negative. We have to move the decimal 5 places to the right to get the 5 to the left of the decimal and everything else to the right, making this:

$5.974*10^{-5$