Answer:
below
Explanation:
#1:) 610,
#2:) 4300
for thousand three hundred
#3:) 21,000
(I belive that's it)
1. =6.1*105
=6.1*(10*10*10*10*10)
=610000
2. =0.43*10−2
=0.43* 1 /10*10
=0.0043
3. 2.1(104)
=2.1*104
=2.1*(10*10*10*10)
=21000
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