Question

plz ans tis ques......class 7th ka h....


meko nai aarha ...heheeheh

Answer 1

Hello..!!!☺

See the attached file.
I hope, that will help you.☺

Answer 2

8/14×5/4(-49/15)+8/5×15/7
●simplify 8/14 to 4/7
4/7×5/4×(-49/15)+8/5×15/7
●by using the rule a/b ×c/d=ac/bd
4×5×(-49)/7×4×15+8/5×15/7
●simplify 4×5×(-49)to-980
-980/7×4×15+8/5×15/7
●simplify 7×4×15 to 420
-980/420+8/5×15/7
●move the negative sign to left
(-980/420)+8/5×15/7
●simplify 980/420 to 7/3
-7/3+8/5×15/7
●use the rule a/b×c/d=ac/bd
-7/3+8×15/5×7
●simplify 8×15 to 120
-7/3 + 120/5×7
●simplify 5×7 to 35
-7/3 + 120 /35
●simplify 120/35 to 24/7
-7/3+24/7
●simplify 23/21
DONE..
decimal form =1.095238

HOPE THIS WILL HELP YOU