Question

simplify the following questions​

Answer 1

57) 0.10m 70) 16×4=64 sorry I don't know another answers

Answer 2

Answer:

#51. 2/7

#52. 11/4

#53. 19/6

#54. 7/2

#55. 5

#56. 4/9

#57. 0.1m

#58. 0.247kg

#59. 0.10

#60. 18.9

#61. 10500.5

#62. 16/9

#63. 12/7

#64. 4/15

#65. 4.5 × 10-5 kilometre

#66. 12

#67. 0.35

#68. 1680.7

#69. 0.6

#70. 64