2 3/8 - 5/8 = ? help plzzz

Mathematics

1 answer:

Gennadij [26K]3 years ago

4 0

Answer: i just did this in school the other day! your answer is, 1 3/8

Step-by-step explanation: ignore the whole number, then subtract 5 from 3 and because you already have a common denominator, you don't need to deal with those shenanigans.

well you can't subtract 5 from 3 so you use the whole number and 3 becomes 8 5 from 8 is 3 so your answer is 1 3/8!

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noname [10]

Answer:

$8.51x10^{-3}cm$

Step-by-step explanation:

In order to add or subtract numbers in scientific notation, the powers of ten must have the same exponent. In this caes the diameter of an average human body cell is a power of -4 and the diameter of a plant cell is a power of -3. In order to add them, we can move the decimal over for the body cell diameter:

$5.1x10^{-4}=0.51x10^{-3}$