Question

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add 0.2+1+1.6+0.6=​

Answer 1

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Answer 2

Step-by-step explanation:

1)1.9×0.07×0.8

=>(19/10)×(7/100)×(8/10)

=>(19×7×8)/10000

=>1064/10000

=>0.1064

2)-1.2-(-1.0)-4.1

=>-1.2+1-4.1

=>1-5.3

=>-4.3

3)4.8+0.6

3)4.8+0.6=>5.4

4)LHS:-(-22)×[(-4-(-3)]

=>-22×(-7)

=>154

RHS:-

-(-22×-4)+(-22×-3)

=>88+66

=>154

LHS=RHS

5)0.2+1+1.6+0.6

=>3.4

6)Given that:-

115 ×(-40)+((-115)×(60)

This is in the form of (a×b)+(a×c)

This is called Distributive property under multiplication over addition

+(a×c)=a×(b+c)=>115×[(-40)+(-60)]

=>115×(-100)

=>-11500

7)0.7×0.5×0.4

=>(7/10)×(5/10)×(4/10)

=>(7×5×4)/1000

=>140/1000

=>0.140

=>0.14

8)0.07×0.2×(-0.3)

=>(7/100)×(2/10)×(-3/10)

=>(7×2×-3)/10000

=>-42/10000

=>-0.0042

9)-5.5-5.2

=>-10.7

10)-1×-1=1

11)Given observations are92,35,67,85,72,81,56,51

On writting them into ascending order

=>35,51,56,67,72,81,85,92

Median=(67+72)/2

=>M=139/2

=>M=69.5

12) -4 5/11÷4/3

=>(-49/11)÷(4/3)

=>(-49/11)×(3/4)

=>(-49×3)/((11×4)

=>-147/44

=>-3 15/44

13)-4.9-(-2.9)-4.3

=>-4.9+2.9-4.3

=>2.9-9.2

=>-6.3

15)-6.7-6.2

=>-12.9

16)1.2+0.0=1.2