Question

write 7×109 using expanding brakets​

Answer 1

Answer:

1853

Step-by-step explanation:

Expert Answer:

17 109 = (10 + 7) 109 = 10 109 + 7 109.

= 10 (100 + 9) + 7 (100 + 9)

= (10 100) + (10 9) + (7 100) + (7 9)

= 1000 + 90 + 700 + 63.

= 1790 + 63.

=1853.

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Answer 2

Answer:

u can do distributivity

it is very easy

Step-by-step explanation:

7×109

7 × (100+9)

7×100=700

7×9=63

700+63=

ans 763