Question

(1) 8 x 103 +5 x 103 + 7× 10 + 2× 10°​

Answer 1

Answer:

1409

Step-by-step explanation:

8x103=824

5x103=515

7x10=70

2x10^0=0

824+515+70+0=1409

Answer 2

8(103) + 5(103) + 7(10) + 2(10)

= 103(8 + 5) + 10(7 + 2)

= 103(13) + 10(9)

= 1339 + 90

= 1429

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