Question

AYUDENME POR FAVOR

(7,5x10^7)+(8,3x10^7)=

(8,21x10^6)x(3,2x10^-2)=

(8,2x10^1-5)%(2,3x10^2)=

(-2,3x10^5)=

Answer 1

1. 158000000

2. 262720

3. 77

4. -230000