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29-12-2020
Mathematics

contestada

Perform the following operation
and express the answer in
scientific notation.
4.0x105 x 3.0x103
[ ? ]x10!?)

Perform the following operation and express the answer in scientific notation 40x105 x 30x103 x10 class=

Respuesta :

29-12-2020

Answer:

Step-by-step explanation:

first step, multiply 4 and 3

4x3=12 , we write is 1.2x10

10^5 x10^3=10^8

4 x10^5 x 3 x 10^3= 1.2x10^9

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