Simple...
3*10=5*6
2*8=4*4
21+11=9+23
23+20=2+41
30-5=40-15
90-80=20-10
Thus, your answers.
3*10=5*6
2*8=4*4
21+11=9+23
23+20=2+41
30-5=40-15
90-80=20-10
Thus, your answers.
Help please,thank you (question 20)
1 answer:
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Basically if you have an exponent at the end of a 10, 
, then in the end the extended notation is going to have 7 zeros. So it'll be 10000000. Then you multiply whats in the rest of the equation together. There's the beginning :) I hope it helps.