What is (8x10)+(3x1)+(4x1/10)+(5x1/100)+(7x1/1000) written in standard form? A. 834.57 B. 83.457 C. 83.4057 D. 830.457
1 answer:
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Answer:
C) 8 and 9
Step-by-step explanation:
We know that 70 is between two perfect squares.
The square numbers 64 and 81 can help us solve this question.
64<70<81
We take square root to get:
We simplify this to get:
Therefore √70 is between 8 and 9.
The correct option is C.