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4 years ago

I need help with a math question

Mathematics

1 answer:

Julli [10]4 years ago

3 0

Answer:

Question 1: 4.5(10^−7)(2(10^4))

9/1000

(Decimal: 0.009)

Question 2:

mass of neutron/mass of electron = 2*10-24/(9*10-28)

2x10^(-24)/9x10^(-28)

d is closest.

Question 3:

4(10^3)(12(10^5))

=4000*1200000

=4*1000*12*100000

=(4*12)*(1000*100000)

=48*100000000

=4800000000

And these things : ^ mean raising the number to become exponets and when I put the number into a bold text thats the answer!

Hope this helps! if so pls mark brainliest and heart/rate!

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