Question

C
Solve these mentally:
(a) 0.7 + 1.2=
(b) 14.4 + 5.3=
(c) 4.2 x 8=
(d) 2.54 x 4=
(e) 40.5 = 9=
(f) 31.6 = 4=​

Answer 1

Answer:

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Step-by-step explanation:

(a) 0.7 + 1.2 = 1.9

(b) 14.4 + 5.3 = 19.7

(c) 4.2 × 8 = 33.6

(d) 2.54 × 4 = 10.16

(e) 40.5 ÷ 9 = 4.5

(f) 31.6 ÷ 4 = 7.9

Answer 2

Answer:

0.7+1.2=1.5

14.4+5.3=9.1

4.2×8=33.6

2.54×4=10.16

40.5÷9=4.5

31.6÷4=7.9

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